gui/dialogs/weather*: minor cleanup.

gui/dialogs/weather-metar-description.xml
    removed top-level width/height, fixes odd size affects.
gui/dialogs/weather.xml
    removed code that was disabled in recent commit.

gui/dialogs/weather-metar-description.xml

@@ -5,8 +5,6 @@
     <modal>false</modal>
     <resizable>true</resizable>
     <layout>vbox</layout>
-    <width>300</width>
-    <height>150</height>
     <default-padding>3</default-padding>
     
     <group>
@@ -40,7 +38,8 @@
         <wrap>true</wrap>
         <top-line>0</top-line>
         <property>/environment/metar/description</property>
-        </textbox>
+    </textbox>
+    
     <button>
         <legend>Close</legend>
         <equal>true</equal>

gui/dialogs/weather.xml

@@ -631,18 +631,6 @@
         </group>
       </group>
 
-      <!--
-      <group>
-        <layout>hbox</layout>
-        <text>
-          <label>Description</label>
-        </text>
-        <empty>
-          <stretch>true</stretch>
-        </empty>
-      </group>
-      -->
-
       <textbox>
         <name>description</name>
         <halign>fill</halign>