🪦 refactor: Remove Legacy Code (#10533)

* 🗑️ chore: Remove unused Legacy Provider clients and related helpers

* Deleted OpenAIClient and GoogleClient files along with their associated tests.
* Removed references to these clients in the clients index file.
* Cleaned up typedefs by removing the OpenAISpecClient export.
* Updated chat controllers to use the OpenAI SDK directly instead of the removed client classes.

* chore/remove-openapi-specs

* 🗑️ chore: Remove unused mergeSort and misc utility functions

* Deleted mergeSort.js and misc.js files as they are no longer needed.
* Removed references to cleanUpPrimaryKeyValue in messages.js and adjusted related logic.
* Updated mongoMeili.ts to eliminate local implementations of removed functions.

* chore: remove legacy endpoints

* chore: remove all plugins endpoint related code

* chore: remove unused prompt handling code and clean up imports

* Deleted handleInputs.js and instructions.js files as they are no longer needed.
* Removed references to these files in the prompts index.js.
* Updated docker-compose.yml to simplify reverse proxy configuration.

* chore: remove unused LightningIcon import from Icons.tsx

* chore: clean up translation.json by removing deprecated and unused keys

* chore: update Jest configuration and remove unused mock file

    * Simplified the setupFiles array in jest.config.js by removing the fetchEventSource mock.
    * Deleted the fetchEventSource.js mock file as it is no longer needed.

* fix: simplify endpoint type check in Landing and ConversationStarters components

    * Updated the endpoint type check to use strict equality for better clarity and performance.
    * Ensured consistency in the handling of the azureOpenAI endpoint across both components.

* chore: remove unused dependencies from package.json and package-lock.json

* chore: remove legacy EditController, associated routes and imports

* chore: update banResponse logic to refine request handling for banned users

* chore: remove unused validateEndpoint middleware and its references

* chore: remove unused 'res' parameter from initializeClient in multiple endpoint files

* chore: remove unused 'isSmallScreen' prop from BookmarkNav and NewChat components; clean up imports in ArchivedChatsTable and useSetIndexOptions hooks; enhance localization in PromptVersions

* chore: remove unused import of Constants and TMessage from MobileNav; retain only necessary QueryKeys import

* chore: remove unused TResPlugin type and related references; clean up imports in types and schemas

api/typedefs.js

@@ -1264,12 +1264,6 @@
  * @memberof typedefs
  */
 
-/**
- * @exports OpenAISpecClient
- * @typedef {import('./app/clients/OpenAIClient')} OpenAISpecClient
- * @memberof typedefs
- */
-
 /**
  * @exports TAgentClient
  * @typedef {import('./server/controllers/agents/client')} TAgentClient
@@ -1498,13 +1492,11 @@
  * @typedef {Object} EndpointServiceConfig
  * @property {string} openAIApiKey - The API key for OpenAI.
  * @property {string} azureOpenAIApiKey - The API key for Azure OpenAI.
- * @property {boolean} useAzurePlugins - Flag to indicate if Azure plugins are used.
  * @property {boolean} userProvidedOpenAI - Flag to indicate if OpenAI API key is user provided.
  * @property {string} googleKey - The Palm key.
  * @property {boolean|{userProvide: boolean}} [openAI] - Flag to indicate if OpenAI endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [assistant] - Flag to indicate if Assistant endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [azureOpenAI] - Flag to indicate if Azure OpenAI endpoint is user provided, or its configuration.
- * @property {boolean|{userProvide: boolean}} [chatGPTBrowser] - Flag to indicate if ChatGPT Browser endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [anthropic] - Flag to indicate if Anthropic endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [google] - Flag to indicate if Google endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean, userProvideURL: boolean, name: string}} [custom] - Custom Endpoint configuration.
@@ -1519,23 +1511,12 @@
  * @memberof typedefs
  */
 
-/**
- * @exports GptPlugins
- * @typedef {Object} GptPlugins
- * @property {Plugin[]} plugins - An array of plugins available.
- * @property {string[]} availableAgents - Available agents, 'classic' or 'functions'.
- * @property {boolean} userProvide - A flag indicating if the user has provided the data.
- * @property {boolean} azure - A flag indicating if azure plugins are used.
- * @memberof typedefs
- */
-
 /**
  * @exports DefaultConfig
  * @typedef {Object} DefaultConfig
  * @property {boolean|{userProvide: boolean}} [openAI] - Flag to indicate if OpenAI endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [assistant] - Flag to indicate if Assistant endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [azureOpenAI] - Flag to indicate if Azure OpenAI endpoint is user provided, or its configuration.
- * @property {boolean|{userProvide: boolean}} [chatGPTBrowser] - Flag to indicate if ChatGPT Browser endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [anthropic] - Flag to indicate if Anthropic endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean}} [google] - Flag to indicate if Google endpoint is user provided, or its configuration.
  * @property {boolean|{userProvide: boolean, userProvideURL: boolean, name: string}} [custom] - Custom Endpoint configuration.