Remove unnecessary CSTYLED escapes on top-level macro invocations

cstyle can handle these cases now, so we don't need to disable it.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16840

module/os/freebsd/spl/spl_dtrace.c

@@ -31,5 +31,4 @@
 #include <sys/queue.h>
 #include <sys/sdt.h>
 
-/* CSTYLED */
 SDT_PROBE_DEFINE1(sdt, , , set__error, "int");