Revert "Use 'Alt-Tab' to switch windows"
Revert "Use 'Alt-Tab' to switch windows"

This reverts commit e0972769ae7a96856c74d6a27f2e8f08a261ed0f.

Conflicts:
	settings/com.endlessm.settings.gschema.override.in

[endlessm/eos-shell#2059]

endlessm/eos-theme