remove print statement

guiheader.py

@@ -657,7 +657,6 @@ class GUIHeader(QWidget):
     def set_target_beamline(self, reset=True):
         """ Select beamline target and modify color scheme accordinly
         """
-        print("set_target_beamline", self.target_beamline, flush=True)
         master = self.beam_current_wgt_group[self.target_beamline]
         master.setObjectName("ARAMIS")
         master.style().polish(master)