remove empty translation string

gui/manager.ui

@@ -801,12 +801,6 @@
       <!-- column-name _info -->
       <column type="gchararray"/>
     </columns>
-    <data>
-      <row>
-        <col id="0" translatable="yes"> </col>
-        <col id="1" translatable="yes"> </col>
-      </row>
-    </data>
   </object>
   <object class="GtkListStore" id="files_list">
     <columns>

pamac.pot

@@ -446,10 +446,6 @@ msgstr ""
 msgid "Install local packages"
 msgstr ""
 
-#: gui/manager.ui:806 gui/manager.ui:807
-msgid " "
-msgstr ""
-
 #: gui/dialogs.ui:6
 msgid "Choose"
 msgstr ""