fix(sdk): removing deprecating param from our sdk and docs changes with it (#4740)

skills/mem0/client/differences.md

@@ -99,7 +99,7 @@ These methods exist in Python but not TypeScript:
 | `vector_store` | `vectorStore` |
 | `graph_store` | `graphStore` |
 | `history_db_path` | `historyDbPath` |
-| `custom_fact_extraction_prompt` | `customPrompt` |
+| `custom_instructions` | `customInstructions` |
 | `enable_graph` | `enableGraph` |
 
 ## OSS Scope Parameter Naming

skills/mem0/client/python.md

@@ -390,7 +390,7 @@ config = {
         }
     },
     "history_db_path": "history.db",              # SQLite path for change history
-    "custom_fact_extraction_prompt": "...",        # Custom LLM prompt for extraction
+    "custom_instructions": "...",        # Custom LLM prompt for extraction
     "custom_update_memory_prompt": "...",          # Custom LLM prompt for updates
     "enable_graph": False,                         # Enable graph memory
 }