Revert "(bug 44298) EventLogging hotfix for IE" - this change has been un-synced in php-1.21wmf7 and is blocking my deployment!

This reverts commit 64800ca321984abad97a80b09a4cd4b91fd4f0cc
Merge "Revert "(bug 44298) EventLogging hotfix for IE" - this change has been un-synced in php-1.21wmf7 and is blocking my deployment!" into wmf/1.21wmf7