Remove mention of tally and mesh dock

Author: pshriwise

openmc_plotter/overlays.py

@@ -38,9 +38,7 @@ class ShortcutsOverlay(QWidget):
                             ("When zoomed:", ""),
                             ("Vertical Scroll", "Scroll"),
                             ("Horizontal Scroll", "Alt+Scroll")],
-                  "Menus": [("Hide/Show Geometry Dock", c_key + "+D"),
-                            ("Hide/Show Tally Dock", c_key + "+T"),
-                            ("Hide/Show Mesh Dock", c_key + "+E"),
+                  "Menus": [("Hide/Show Dock", c_key + "+D"),
                             ("Reload Model", "Shift+" + c_key + "+R"),
                             ("Quit", c_key + "+Q"),
                             ("Display Shortcuts", "?")],