rename/remove obsolete elements/attrs from Composer xul; b=119164, r=peterv, sr=blake

editor/ui/composer/content/pref-composer.xul

@@ -160,11 +160,7 @@
     <checkbox
       label     = "&useCSS.label;"
       id        = "useCSS"
-      accesskey = ""
-      pref      = "true"
-      preftype  = "bool"
       prefstring= "editor.use_css"
-      prefattribute="checked"
     />
   </groupbox>
 </page>

editor/ui/dialogs/content/EdTableProps.xul

@@ -60,17 +60,17 @@
             <columns><column/><column/><column/><column/><column/></columns>
               <rows>
                 <row align="center">
-                  <text class="label" value="&tableRows.label;"/>
+                  <label value="&tableRows.label;"/>
                   <textbox class="narrow" id="TableRowsInput" oninput="forceInteger(this.id);"/>
                   <spring class="bigspacer"/>
-                  <text class="label" value="&tableHeight.label;" id="TableHeightLabel"/>
+                  <label value="&tableHeight.label;" id="TableHeightLabel"/>
                   <textbox class="narrow" id="TableHeightInput" oninput="forceInteger(this.id);"/>
                   <menulist id="TableHeightUnits"/>
                 </row>
               <row align="center">
-                  <text class="label" value="&tableColumns.label;"/>
-                  <textbox class="narrow" id="TableColumnsInput" oninput="forceInteger(this.id);"/>
-                  <spring class="bigspacer"/>
+                <label value="&tableColumns.label;"/>
+                <textbox class="narrow" id="TableColumnsInput" oninput="forceInteger(this.id);"/>
+                <spring class="bigspacer"/>
                 <label value="&tableWidth.label;"/>
                 <textbox class="narrow" id="TableWidthInput" oninput="forceInteger(this.id);"/>
                 <menulist id="TableWidthUnits"/>