Remove pragma ident lines

The #pragma ident is a historical relic and not needed any more, this
pragma is actually unknown for common compilers and is only causing
trouble.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Toomas Soome <tsoome@me.com>
Closes #10810

include/os/freebsd/spl/sys/acl_impl.h

@@ -26,8 +26,6 @@
 #ifndef _SYS_ACL_IMPL_H
 #define	_SYS_ACL_IMPL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif