Revert "input: added input mediator for ordering of input events"

This reverts commit 10d0549f8fef512987cc3ccbc284eb08bf2a978c.
Patch to 3.0.98 (gregkh)
Patch to 3.0.99 (gregkh)
Patch to 3.0.100 (gregkh)
Patch to 3.0.101 (gregkh)