revert mseed, reftek for the selecting key to plot

sohstationviewer/model/mseed_data/mseed.py

@@ -129,10 +129,6 @@ class MSeed(GeneralData):
                    "Please select one to display")
             self.pause_signal.emit(msg, sta_ids)
             self.pause()
-            if self.pause_response == -1:
-                self.track_info('Process is cancelled by user.',
-                                LogType.WARNING)
-                return
             selected_sta_id = sta_ids[self.pause_response]
 
         self.track_info(f'Select Station {selected_sta_id}', LogType.INFO)

sohstationviewer/model/reftek_data/reftek.py

@@ -155,10 +155,6 @@ class RT130(GeneralData):
                    "Please select one to display")
             self.pause_signal.emit(msg, keys)
             self.pause()
-            if self.pause_response == -1:
-                self.track_info('Process is cancelled by user.',
-                                LogType.WARNING)
-                return
             selected_key = keys[self.pause_response]
 
         self.track_info(f'Select Key {selected_key}', LogType.INFO)