⚠️ chore: Remove Deprecated forcePrompt setting (#11622)

- Removed `forcePrompt` parameter from various configuration files including `librechat.example.yaml`, `initialize.js`, `values.yaml`, and `initialize.ts`.
    - This change simplifies the configuration by eliminating unused options, enhancing clarity and maintainability across the codebase.

packages/api/src/endpoints/custom/initialize.ts

@@ -31,7 +31,6 @@ function buildCustomOptions(
     customParams: endpointConfig.customParams,
     titleConvo: endpointConfig.titleConvo,
     titleModel: endpointConfig.titleModel,
-    forcePrompt: endpointConfig.forcePrompt,
     summaryModel: endpointConfig.summaryModel,
     modelDisplayLabel: endpointConfig.modelDisplayLabel,
     titleMethod: endpointConfig.titleMethod ?? 'completion',

packages/api/src/endpoints/openai/config.spec.ts

@@ -1300,7 +1300,6 @@ describe('getOpenAIConfig', () => {
             max_completion_tokens: 4000,
           },
           dropParams: ['frequency_penalty'],
-          forcePrompt: false,
           modelOptions: {
             model: modelName,
             user: 'azure-user-123',
@@ -1395,7 +1394,6 @@ describe('getOpenAIConfig', () => {
           dropParams: ['presence_penalty'],
           titleConvo: true,
           titleModel: 'gpt-3.5-turbo',
-          forcePrompt: false,
           summaryModel: 'gpt-3.5-turbo',
           modelDisplayLabel: 'Custom GPT-4',
           titleMethod: 'completion',
@@ -1414,7 +1412,6 @@ describe('getOpenAIConfig', () => {
           customParams: {},
           titleConvo: endpointConfig.titleConvo,
           titleModel: endpointConfig.titleModel,
-          forcePrompt: endpointConfig.forcePrompt,
           summaryModel: endpointConfig.summaryModel,
           modelDisplayLabel: endpointConfig.modelDisplayLabel,
           titleMethod: endpointConfig.titleMethod,