[s3] Skip throwing S3ConnectorUploadError from scheme check method (#4255)

Author: Harshg999

desktop/core/src/desktop/lib/fs/s3/core/upload.py

@@ -209,6 +209,4 @@ def _get_scheme(self):
     if self.destination:
       if "://" in self.destination:
         return self.destination.split("://")[0].upper()
-      else:
-        raise S3ConnectorUploadError("Destination does not have a valid scheme")
     return None