[geary] Remove non-existent source file from POTFILES.in. Bug 765516.

[Michael Gratton <mjog src gnome org>]

commit 5939509437f273cc4882ce54799e970ebc03525f
Author: Michael James Gratton <mike vee net>
Date:   Sat Oct 8 03:32:29 2016 +1100

    Remove non-existent source file from POTFILES.in. Bug 765516.

 po/POTFILES.in |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index f9ab378..1cdf068 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -44,7 +44,6 @@ src/client/composer/composer-window.vala
 src/client/composer/contact-entry-completion.vala
 src/client/composer/contact-list-store.vala
 src/client/composer/email-entry.vala
-src/client/composer/scrollable-overlay.vala
 src/client/composer/spell-check-popover.vala
 src/client/composer/webview-edit-fixer.vala
 src/client/conversation-list/conversation-list-cell-renderer.vala