Revert "Issue #2151355 by damiankloip: Enable reset button on admin/content exposed filters."

Whoops. 300 or so too many lines in that commit. ;)

This reverts commit 353315fc68e5c2cfe948c1ba6d31b3ba8d298e45.
Issue #2151355 by damiankloip: Enable reset button on admin/content exposed filters.