DOC-979: Remove docs for deprecated OpenAI text completion & Google Palm models (n8n-io#2460)

Author: freakwriter

docs/_redirects

@@ -1,3 +1,8 @@
+## DOC-979
+/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmopenai/ /integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenai/
+/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglepalm/ /integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglegemini/
+/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmgooglepalm/ /integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglegemini/
+
 ## DOC-993
 /faircode-license/  /sustainable-use-license/
 

docs/advanced-ai/langchain/langchain-n8n.md

@@ -94,14 +94,11 @@ Available nodes:
 * [Anthropic Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatanthropic/)
 * [AWS Bedrock Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatawsbedrock)
 * [Cohere Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmcohere/)
-* [Google PaLM Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglepalm/)
-* [Google PaLM Language Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmgooglepalm/)
 * [Hugging Face Inference Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmopenhuggingfaceinference/)
 * [Mistral Cloud Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatmistralcloud/)
 * [Ollama Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatollama/)
 * [Ollama Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmollama/)
 * [OpenAI Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenai/)
-* [OpenAI Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmopenai/)
 
 Learn more about [Language models in LangChain](https://js.langchain.com/docs/modules/model_io/models/){:target=_blank .external-link}.
 

docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglepalm.md

@@ -12,8 +12,6 @@ You can use these credentials to authenticate the following nodes:
 * [Embeddings Google Gemini](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.embeddingsgooglegemini/)
 * [Google Gemini Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglegemini/)
 * [Embeddings Google PaLM](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.embeddingsgooglepalm/)
-* [Google PaLM Chat Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglepalm/)
-* [Google PaLM Language Model](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmgooglepalm/)
 
 ## Prerequisites
 

docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmgooglepalm.md

@@ -801,16 +801,13 @@ nav:
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatawsbedrock.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatazureopenai.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglegemini.md
-          - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglepalm.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgooglevertex.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatgroq.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatmistralcloud.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatollama.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenai.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmcohere.md
-          - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmgooglepalm.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmollama.md
-          - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmopenai.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmopenhuggingfaceinference.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.memorymanager.md
           - integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.memorybufferwindow.md