Remove unexpected log about the cache not being updated when the worker does not need it

arkindex_worker/cache.py

@@ -380,7 +380,7 @@ def unsupported_cache(func):
     def wrapper(self, *args, **kwargs):
         results = func(self, *args, **kwargs)
 
-        if not (self.is_read_only or self.use_cache):
+        if self.use_cache:
             logger.warning(
                 f"This API helper `{func.__name__}` did not update the cache database"
             )