save_variables: Do not write to console when variables are saved

Removes a call to gcmd.respond_info which writes 'VARIABLE SAVED' to the
console every time the SAVE_VARIABLE command is called.

Signed-off-by: Andre LeBlanc <mapleleafmakers@gmail.com>

klippy/extras/save_variables.py

@@ -54,7 +54,6 @@ class SaveVariables:
             msg = "Unable to save variable"
             logging.exception(msg)
             raise gcmd.error(msg)
-        gcmd.respond_info("Variable Saved")
         self.loadVariables()
     def get_status(self, eventtime):
         return {'variables': self.allVariables}