[geary] Remove intltool markers from <caption> tags in AppData

[Piotr Drąg <piotrdrag src gnome org>]

commit 9c1078ad169ad3031da4767dfca0bb60cce3acf5
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Nov 2 17:36:24 2017 +0100

    Remove intltool markers from <caption> tags in AppData

 desktop/org.gnome.Geary.appdata.xml.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/desktop/org.gnome.Geary.appdata.xml.in b/desktop/org.gnome.Geary.appdata.xml.in
index 3012cfb..38249dc 100644
--- a/desktop/org.gnome.Geary.appdata.xml.in
+++ b/desktop/org.gnome.Geary.appdata.xml.in
@@ -44,12 +44,12 @@
   <screenshots>
     <screenshot>
       <!-- Translators: A screenshot description. -->
-      <_caption>Geary displaying a conversation</_caption>
+      <caption>Geary displaying a conversation</caption>
       <image type="default" width="1600" 
height="900">https://wiki.gnome.org/Apps/Geary?action=AttachFile&amp;do=get&amp;target=geary-conversation-0.12.png</image>
     </screenshot>
     <screenshot>
       <!-- Translators: A screenshot description. -->
-      <_caption>Geary showing the rich text composer</_caption>
+      <caption>Geary showing the rich text composer</caption>
       <image type="source" width="1600" 
height="900">https://wiki.gnome.org/Apps/Geary?action=AttachFile&amp;do=get&amp;target=geary-composer-0.12.png</image>
     </screenshot>
   </screenshots>