wxGUI: Fixed flake8 E722: bare 'except' in wxpython/gcp/ (#4392)

.flake8

@@ -25,7 +25,6 @@ per-file-ignores =
  doc/python/m.distance.py: E501
  doc/gui/wxpython/example/dialogs.py: F401
  gui/scripts/d.wms.py: E501
- gui/wxpython/gcp/manager.py: E722
  gui/wxpython/gui_core/*: E722
  gui/wxpython/gui_core/dialogs.py: E722
  gui/wxpython/gui_core/forms.py: E722

gui/wxpython/gcp/manager.py

@@ -880,20 +880,6 @@ def OnSrcSelection(self, event):
  else:
  wx.FindWindowById(wx.ID_FORWARD).Enable(True)
 
- try:
- # set computational region to match selected map and zoom display
- # to region
- if maptype == "raster":
- p = RunCommand("g.region", "raster=src_map")
- elif maptype == "vector":
- p = RunCommand("g.region", "vector=src_map")
-
- if p.returncode == 0:
- print("returncode = ", str(p.returncode))
- self.parent.Map.region = self.parent.Map.GetRegion()
- except:
- pass
-
  def OnTgtRastSelection(self, event):
  """Source map to display selected"""
  global tgt_map