fix(mcp): dedupe load_servers_from_config alias block

Removes accidental duplicate alias/mcp_aliases and get_server_prefix
logic (fixes PLR0915 and avoids resetting alias after mapping).

litellm/proxy/_experimental/mcp_server/mcp_server_manager.py

@@ -321,32 +321,6 @@ class MCPServerManager:
             )()
             name_for_prefix = get_server_prefix(temp_server)
 
-            # Use alias for name if present, else server_name
-            alias = server_config.get("alias", None)
-
-            # Apply mcp_aliases mapping if provided
-            if mcp_aliases and alias is None:
-                # Check if this server_name has an alias in mcp_aliases
-                for alias_name, target_server_name in mcp_aliases.items():
-                    if (
-                        target_server_name == server_name
-                        and alias_name not in used_aliases
-                    ):
-                        alias = alias_name
-                        used_aliases.add(alias_name)
-                        verbose_logger.debug(
-                            f"Mapped alias '{alias_name}' to server '{server_name}'"
-                        )
-                        break
-
-            # Create a temporary server object to use with get_server_prefix utility
-            temp_server = type(
-                "TempServer",
-                (),
-                {"alias": alias, "server_name": server_name, "server_id": None},
-            )()
-            name_for_prefix = get_server_prefix(temp_server)
-
             server_url = server_config.get("url", None) or ""
             # Generate stable server ID based on parameters
             server_id = self._generate_stable_server_id(