align to left and remove unneeded text from glade file

src/gtkgui.glade

@@ -14015,13 +14015,13 @@ to the Jabber network.</property>
 		    <widget class="GtkLabel" id="existing_jid_label">
 		      <property name="visible">True</property>
 		      <property name="can_focus">True</property>
-		      <property name="label">&lt;span background=&quot;lightyellow&quot;&gt;&lt;/span&gt;</property>
+		      <property name="label"></property>
 		      <property name="use_underline">False</property>
 		      <property name="use_markup">True</property>
 		      <property name="justify">GTK_JUSTIFY_LEFT</property>
 		      <property name="wrap">False</property>
 		      <property name="selectable">True</property>
-		      <property name="xalign">0.5</property>
+		      <property name="xalign">0</property>
 		      <property name="yalign">0.5</property>
 		      <property name="xpad">0</property>
 		      <property name="ypad">0</property>
@@ -14371,13 +14371,13 @@ to the Jabber network.</property>
 		    <widget class="GtkLabel" id="register_jid_label">
 		      <property name="visible">True</property>
 		      <property name="can_focus">True</property>
-		      <property name="label">&lt;span background=&quot;lightyellow&quot;&gt;&lt;/span&gt;</property>
+		      <property name="label"></property>
 		      <property name="use_underline">False</property>
 		      <property name="use_markup">True</property>
 		      <property name="justify">GTK_JUSTIFY_LEFT</property>
 		      <property name="wrap">False</property>
 		      <property name="selectable">True</property>
-		      <property name="xalign">0.5</property>
+		      <property name="xalign">0</property>
 		      <property name="yalign">0.5</property>
 		      <property name="xpad">0</property>
 		      <property name="ypad">0</property>