Revert "add studio survey button to header."

40k responses is probably enough.

This reverts commit 075aad742a.

Change-Id: I0c1964fda243c32f57156e762edec511314d9cb5

tools/droiddoc/templates-sdk/assets/js/docs.js

@@ -21,8 +21,6 @@ $.ajaxSetup({
 
 $(document).ready(function() {
 
-  showStudioSurveyButton();
-
   // show lang dialog if the URL includes /intl/
   //if (location.pathname.substring(0,6) == "/intl/") {
   //  var lang = location.pathname.split('/')[2];
@@ -5377,17 +5375,3 @@ function showSamples() {
   $(document)
     .on('click.toggle', '[data-toggle="section"]', Toggle.prototype.toggle);
 })(jQuery);
-
-
-var STUDIO_SURVEY_CLICKED = 'studio-survey-20160429-clicked';
-
-function onClickStudioSurvey() {
-  localStorage.setItem(STUDIO_SURVEY_CLICKED, 'true');
-  $("#studio-survey-button").fadeOut();
-}
-
-function showStudioSurveyButton() {
-  if (localStorage.getItem(STUDIO_SURVEY_CLICKED) == null) {
-    $("#studio-survey-button").show();
-  }
-}