fix: simplify docstring per review feedback

Co-Authored-By: jbailey@launchdarkly.com <accounts@sidewaysgravity.com>

Author: devin-ai-integration[bot]

packages/sdk/server-ai/src/ldai/judge/__init__.py

@@ -160,13 +160,8 @@ def _construct_evaluation_messages(self, input_text: str, output_text: str) -> l
         return messages
 
     def _interpolate_message(self, content: str, variables: Dict[str, str]) -> str:
-        """
-        Interpolates message content with variables using simple string replacement.
-
-        Uses literal string replacement instead of a template engine to prevent
-        template injection: attacker-controlled values from pass 1 (e.g. Mustache
-        delimiter-change tags like {{=[ ]=}}) would otherwise be interpreted as
-        control syntax by a second Mustache pass, blinding the judge.
+        """Use string replacement to prevent context attributes like {{=[ ]=}})
+        from influencing judge template parsing.
 
         :param content: The message content template
         :param variables: Variables to interpolate