Remove undo/redo from GUI, also layout fix for ubuntu

Moved the scene a couple of pixels down so it looks good on ubuntu.

b_asic/GUI/gui_interface.py

@@ -246,10 +246,6 @@ class Ui_main_window(object):
         self.load_operations.setObjectName("load_operations")
         self.exit_menu = QtWidgets.QAction(main_window)
         self.exit_menu.setObjectName("exit_menu")
-        self.actionUndo = QtWidgets.QAction(main_window)
-        self.actionUndo.setObjectName("actionUndo")
-        self.actionRedo = QtWidgets.QAction(main_window)
-        self.actionRedo.setObjectName("actionRedo")
         self.actionSimulateSFG = QtWidgets.QAction(main_window)
         self.actionSimulateSFG.setObjectName("actionSimulateSFG")
         self.actionShowPC = QtWidgets.QAction(main_window)
@@ -268,8 +264,6 @@ class Ui_main_window(object):
         self.file_menu.addAction(self.load_operations)
         self.file_menu.addSeparator()
         self.file_menu.addAction(self.exit_menu)
-        self.edit_menu.addAction(self.actionUndo)
-        self.edit_menu.addAction(self.actionRedo)
         self.view_menu.addAction(self.actionToolbar)
         self.run_menu.addAction(self.actionShowPC)
         self.run_menu.addAction(self.actionSimulateSFG)
@@ -319,8 +313,6 @@ class Ui_main_window(object):
         self.load_operations.setText(_translate("main_window", "Load Operations"))
         self.exit_menu.setText(_translate("main_window", "Exit"))
         self.exit_menu.setShortcut(_translate("main_window", "Ctrl+Q"))
-        self.actionUndo.setText(_translate("main_window", "Undo"))
-        self.actionRedo.setText(_translate("main_window", "Redo"))
         self.actionToolbar.setText(_translate("main_window", "Toolbar"))