[orca] Remove unused imports

[Joanmarie Diggs <joanied src gnome org>]

commit 4da4df347fb7b6c3e0c4478294e05252304b0aa9
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Mar 6 17:24:52 2019 +0100

    Remove unused imports

 src/orca/scripts/apps/gtk-window-decorator/script.py | 1 -
 src/orca/scripts/apps/metacity/script.py             | 1 -
 2 files changed, 2 deletions(-)
---
diff --git a/src/orca/scripts/apps/gtk-window-decorator/script.py 
b/src/orca/scripts/apps/gtk-window-decorator/script.py
index 3bde12b77..ddf7bea0e 100644
--- a/src/orca/scripts/apps/gtk-window-decorator/script.py
+++ b/src/orca/scripts/apps/gtk-window-decorator/script.py
@@ -25,7 +25,6 @@ __date__      = "$Date$"
 __copyright__ = "Copyright (c) 2005-2008 Sun Microsystems Inc."
 __license__   = "LGPL"
 
-import orca.messages as messages
 import orca.scripts.default as default
 import pyatspi
 
diff --git a/src/orca/scripts/apps/metacity/script.py b/src/orca/scripts/apps/metacity/script.py
index 29d58d7a6..46eee0288 100644
--- a/src/orca/scripts/apps/metacity/script.py
+++ b/src/orca/scripts/apps/metacity/script.py
@@ -25,7 +25,6 @@ __date__      = "$Date$"
 __copyright__ = "Copyright (c) 2005-2008 Sun Microsystems Inc."
 __license__   = "LGPL"
 
-import orca.messages as messages
 import orca.scripts.default as default
 import pyatspi