Clean up CSTYLEDs

69 CSTYLED BEGINs remain, appx. 30 of which can be removed if cstyle(1)
had a useful policy regarding
  CALL(ARG1,
  	ARG2,
  	ARG3);
above 2 lines. As it stands, it spits out *both*
  sysctl_os.c: 385: continuation line should be indented by 4 spaces
  sysctl_os.c: 385: indent by spaces instead of tabs
which is very cool

Another >10 could be fixed by removing "ulong" &al. handling.
I don't foresee anyone actually using it intentionally
(does it even exist in modern headers? why did it in the first place?).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12993

module/zfs/vdev_raidz.c

@@ -926,7 +926,6 @@ vdev_raidz_reconstruct_pq(raidz_row_t *rr, int *tgts, int ntgts)
 	rr->rr_col[VDEV_RAIDZ_Q].rc_abd = qdata;
 }
 
-/* BEGIN CSTYLED */
 /*
  * In the general case of reconstruction, we must solve the system of linear
  * equations defined by the coefficients used to generate parity as well as
@@ -1078,7 +1077,6 @@ vdev_raidz_reconstruct_pq(raidz_row_t *rr, int *tgts, int ntgts)
  * that reason, we only build the coefficients in the rows that correspond to
  * targeted columns.
  */
-/* END CSTYLED */
 
 static void
 vdev_raidz_matrix_init(raidz_row_t *rr, int n, int nmap, int *map,