Revert "Dynamic Fsync to Defconfig"

This reverts commit 90d94b2640fc0832f4715431af4a9a15a0aa415a.
Revert "dynamic fsync: favor true case since most will be using this feature"

This reverts commit f3eb4eeb9c53cd30168893121aebd8b7950646d7.
Revert "dynamic filesync: add some cache optimizations"

This reverts commit 8fd519ffff7a9768f36b6e915f2d142d2e118522.
Revert "fs/dyn_fsync: check dyn fsync control's active prior to performing fsync ops"

This reverts commit 605a9a910b105efe2fc2b306f2d399e4cd05bf12.
Revert "fs/dyn_sync_cntrl: dynamic sync control"

This reverts commit 748eab7cc5ce518a1b6885cbbba4c423abad4a1f.
Revert "switch do_fsync() to fget_light()"

This reverts commit b7ba1b588ba689a9f198666ba5d96d97bb5c450d.
Make Fsync Configurable