Telemetry: Clean up tap and click_element gestures.

tools/perf/page_sets/gmail_compose_discard.json

 {
   "description": "Gmail endure test: compose and discard an email.",
   "archive_data_file": "data/gmail_compose_discard.json",
   "credentials_path": "data/credentials.json",
   "user_agent_type": "desktop",
   "pages": [
     {
       "url": "https://mail.google.com/mail/",
       "why": "Compose and discard a new email",
       "credentials": "google",
       "compose_click": [
         {"action": "javascript", "expression": "var button=document.evaluate('//div[text()=\"COMPOSE\"]',document,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue;var mousedownevent=new MouseEvent('mousedown',true,true,window,0,0,0,0,0,false,false,false,false,0,null);var mouseupevent=new MouseEvent('mouseup',true,true,window,0,0,0,0,0,false,false,false,false,0,null);button.dispatchEvent(mousedownevent);button.dispatchEvent(mouseupevent);"}
       ],
       "navigate_steps": [
         { "action": "navigate" },
         { "action": "wait", "javascript": "window.gmonkey !== undefined && document.getElementById('gb') !== null" }
       ],
       "endure": [
         { "action": "wait", "condition": "element", "xpath": "//div[text()=\"COMPOSE\"]" },
         { "action": "compose_click" },
         { "action": "wait", "seconds": 1 },
         { "action": "wait", "condition": "element", "selector": "div[class~=\"oh\"][data-tooltip=\"Discard draft\"]" },
-        { "action": "click_element", "selector": "div[class~=\"oh\"][data-tooltip=\"Discard draft\"]" },
+        { "action": "javascript_click", "selector": "div[class~=\"oh\"][data-tooltip=\"Discard draft\"]" },
         { "action": "wait", "seconds": 1 }
       ]
     }
   ]
 }