Remove no longer used "view-barcode" icon

tray/CMakeLists.txt

@@ -92,7 +92,6 @@ set(REQUIRED_ICONS
     system-file-manager
     text-plain
     user-home
-    view-barcode
     view-refresh
     window-close)
 

tray/resources/icons/hicolor/scalable/actions/view-barcode.svg

@@ -1,13 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
-  <defs id="defs3051">
-    <style type="text/css" id="current-color-scheme">
-      .ColorScheme-Text {
-        color:#4d4d4d;
-      }
-      </style>
-  </defs>
- <path style="fill:currentColor;fill-opacity:1;stroke:none" 
-     d="M 2 2 L 2 14 L 3 14 L 3 2 L 2 2 z M 4 2 L 4 7 L 5 7 L 5 2 L 4 2 z M 6 2 L 6 14 L 7 14 L 7 2 L 6 2 z M 8 2 L 8 14 L 9 14 L 9 2 L 8 2 z M 10 2 L 10 8 L 11 8 L 11 2 L 10 2 z M 12 2 L 12 14 L 14 14 L 14 2 L 12 2 z "
-     class="ColorScheme-Text"
-     />
-</svg>

tray/resources/syncthingtrayicons.qrc

@@ -6,7 +6,6 @@
         <file>icons/hicolor/scalable/actions/help-about.svg</file>
         <file>icons/hicolor/scalable/actions/media-playback-pause.svg</file>
         <file>icons/hicolor/scalable/actions/media-playback-start.svg</file>
-        <file>icons/hicolor/scalable/actions/view-barcode.svg</file>
         <file>icons/hicolor/scalable/actions/window-close.svg</file>
         <file>icons/hicolor/scalable/apps/help-about.svg</file>
         <file>icons/hicolor/scalable/places/folder-open.svg</file>