Remove EBNF Composer (#13163)

python/sglang/srt/function_call/json_array_parser.py

@@ -34,16 +34,6 @@ class JsonArrayParser(BaseFormatDetector):
             "Detect and parse not supported for JSON schema constraints."
         )
 
-    def build_ebnf(self, tools: List[Tool]) -> str:
-        """
-        Build an EBNF grammar for constrained generation.
-        This is not used for JSON schema constraints as they are handled
-        by the constraint backends directly.
-        """
-        raise NotImplementedError(
-            "EBNF generation is not supported for JSON schema constraints."
-        )
-
     def parse_streaming_increment(
         self, new_text: str, tools: List[Tool]
     ) -> StreamingParseResult: