remove frame rate

Author: ogios

data/doc/3.basic_config.md

@@ -63,7 +63,6 @@ Array of widget items. If multiple widgets pile up, the last one in array gets t
 | monitor             | Monitor index, or the connector name of the monitor, index start from 0        |
 | ignore_exlusive     | whether to overlap with other layershell.                                      |
 | transition_duration | widget pop up duration.                                                        |
-| frame_rate          | default to your monitor refresh rate, you should not change it normally.       |
 | extra_trigger_size  | the extra size for trigger popup, default 1, this does not need to be changed. |
 | preview_size        | reveal some part of the widget, default 0.                                     |
 | widget              | the actual widget, goto `widgets`                                              |
@@ -84,7 +83,6 @@ _Example:_
   },
   "ignore_exlusive": true,
   "transition_duration": 200,
-  "frame_rate": 144,
   "extra_trigger_size": 5,
   "preview_size": 20, // or "100%"
   "widget": {