Revert "msm: vidc: Validate userspace buffer count"

This reverts commit 867699ab4389515d41387e2a191e96598d2f0ca9.
Revert "msm: vidc: Validate userspace buffer count before using it"

This reverts commit a9ec0cdd247f6204ff8bf496b48fd6d791ec0d71.
Revert "msm: vidc: Check validity of userspace address"

This reverts commit e329248222f0e6a5db1366682a47ccafe5772a74.
Revert "msm: vidc: Initialize kernel space stack variables"

This reverts commit f6aec885535cf083f1395c8d769e4ae01f4f82d3.
Revert "msm: vidc: Validate input data before processing"

This reverts commit 68546a73b017ac33c5c6127dd4eade7cc12024a8.
Revert "msm: vidc: return error in case of init failure"

This reverts commit b33a3ad5245be46790686bcdf1af4875131572cd.
Revert "msm: vidc: free the recon buffers in cleanup function"

This reverts commit e9eede5e677cbeae661e5dd0c43ebf5018333791.