[BUGFIX] Fixed invalid autocomplete attribute for spamcheck fields

Refs #1410

Author: derhansen

Resources/Private/Partials/Registration/SpamCheck.fluid.html

@@ -8,10 +8,10 @@
             <div>
                 <f:if condition="{spamSettings.checks.honeypot.configuration.renderAsHiddenField} == 1">
                     <f:then>
-                        <f:form.hidden property="hp{event.uid}" additionalAttributes="{autocomplete: 'hp{event.uid}'}" />
+                        <f:form.hidden property="hp{event.uid}" />
                     </f:then>
                     <f:else>
-                        <f:form.textfield property="hp{event.uid}" additionalAttributes="{autocomplete: 'hp{event.uid}', aria-hidden: 'true'}" tabindex="-1" style="display:none !important" />
+                        <f:form.textfield property="hp{event.uid}" additionalAttributes="{aria-hidden: 'true'}" tabindex="-1" style="display:none !important" />
                     </f:else>
                 </f:if>
             </div>
@@ -21,7 +21,7 @@
             <div>
                 <f:asset.script identifier="sfeventmgt-cr-spamcheck" src="EXT:sf_event_mgt/Resources/Public/JavaScript/cr-spamcheck.js" />
                 <f:variable name="challenge" value="{spamSettings.checks.challengeResponse.configuration.prefix}{event.spamCheckChallenge}{spamSettings.checks.challengeResponse.configuration.postfix}" />
-                <f:form.hidden id="js-cr-challenge" property="cr-response" additionalAttributes="{autocomplete: 'js-cr-challenge', data-challenge: challenge}" />
+                <f:form.hidden id="js-cr-challenge" property="cr-response" additionalAttributes="{data-challenge: challenge}" />
             </div>
         </f:if>