Removing Page.WaitToLoad and update all pagesets to use explicit wait actions

tools/telemetry/telemetry/page/actions/click_element.py

Index: tools/telemetry/telemetry/page/actions/click_element.py
diff --git a/tools/telemetry/telemetry/page/actions/click_element.py b/tools/telemetry/telemetry/page/actions/click_element.py
index 8d4aa790a59ac0965ba464b54b243540d53bdb2c..a0661aeb4b369e782b1ffb24299227b133de3ab8 100644
--- a/tools/telemetry/telemetry/page/actions/click_element.py
+++ b/tools/telemetry/telemetry/page/actions/click_element.py
@@ -3,7 +3,6 @@
 # found in the LICENSE file.
 from telemetry.core import util
 from telemetry.core import exceptions
-from telemetry.page import page as page_module
 from telemetry.page.actions import page_action
 
 class ClickElementAction(page_action.PageAction):
@@ -38,5 +37,4 @@ class ClickElementAction(page_action.PageAction):
     else:
       DoClick()
 
-    page_module.Page.WaitForPageToLoad(self, tab, 60)
     tab.WaitForDocumentReadyStateToBeInteractiveOrBetter()