Revert "lge_touch_core: Allow disabling the nav keys"

This reverts commit f57df93db3a2a890c003dd50f5956289faed4647.
Revert "Remove"

This reverts commit 04287585c54bc330c15ad736337461bc8a7d3ab0.
Revert "Add"

This reverts commit c4d77a01ab92b368642f5d5509f4f799c0240801.
Revert "Update camera"

This reverts commit 61a4b5a27b0a304f1b40cd45f3d948a6c8fd9d20.
Revert "Update gpiomux"

This reverts commit bd4aac50b8395345393ccad46f0bc1c37809570f.
Revert "Update board-j1-gpu.c"

This reverts commit 5ed0b0cbf8f7d6dbbfc21bf06e1ca7d4cdd03816.
Revert "Update input source"

This reverts commit bf826082a8ae5dd2d46cc5b83a1d950d30f675fa.