i965: Silence unused parameter warning in brw_dump_ir

Just remove the parameter.  Silences:

brw_program.c: In function 'brw_dump_ir':
brw_program.c:566:33: warning: unused parameter 'brw' [-Wunused-parameter]

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
5 files changed