remove explicit enabled flag for muvera

Author: robbespo00

weaviate/collections/classes/config.py

@@ -2048,13 +2048,12 @@ def __add_props(
 class _VectorIndexMultivectorEncoding:
     @staticmethod
     def muvera(
-        enabled: bool = True,
         ksim: Optional[int] = None,
         dprojections: Optional[int] = None,
         repetitions: Optional[int] = None,
     ) -> _EncodingConfigCreate:
         return _MuveraConfigCreate(
-            enabled=enabled,
+            enabled=True,
             ksim=ksim,
             dprojections=dprojections,
             repetitions=repetitions,