bug fix

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@15268 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/lifecycle/ZFSInstaller/askRootPassword.jelly

@@ -34,7 +34,7 @@ THE SOFTWARE.
       <div>
         ${%blurb}
 
-        <f:form method="post" action="start" enctype="multipart/form-data">
+        <f:form method="post" action="start">
           <f:entry title="${%Username}">
             <f:textbox name="username" value="root" />
           </f:entry>