Revert "Enable Novatek panels"

This reverts commit ebf6fa555be5371b66bfd679b49ccf2690bd925a.
Revert "Makefile: Enable ccache"

This reverts commit 5bf1b00638de7032fd78148d04009d25b0778f62.
Part 2: Revert "msm_fb: Return pan_display call on Vsync interrupt"