Revert "hlte: add keydisabler"

This reverts commit 373ef190093455effcd186ed6276d4badf04b910.

Keydisabler goes with below commit

CM Kernel commit
https://github.com/CyanogenMod/android_kernel_samsung_hlte/commit/5449163977daba2069d1536e937f1ade3c77396c