bug 109569, r=fabian, sr=hewitt, remove onkeypress for textbox

suite/common/history/findHistory.xul

@@ -57,8 +57,7 @@
         <menuitem value="doesntcontain" label="&search.doesntcontain.label;"/>
       </menupopup>
     </menulist>
-    <textbox id="searchField" onkeypress="if (event.keyCode == 13) find();" flex="1"
-             oninput="doEnabling();"/>
+    <textbox id="searchField" flex="1" oninput="doEnabling();"/>
   </hbox>
 </dialog>