uml: remove xmm checking on x86

This patch removes some code which ran at every boot, but does not seem to do
anything anymore.  Please test.  It works for me but mistakes can happen.

Signed-off-by: Karol Swietlicki <magotari@gmail.com>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/um/sys-i386/bugs.c

@@ -15,7 +15,6 @@
 
 /* Set during early boot */
 int host_has_cmov = 1;
-int host_has_xmm = 0;
 
 static char token(int fd, char *buf, int len, char stop)
 {
@@ -163,8 +162,6 @@ void arch_check_bugs(void)
 	}
 	if (check_cpu_flag("cmov", &have_it))
 		host_has_cmov = have_it;
-	if (check_cpu_flag("xmm", &have_it))
-		host_has_xmm = have_it;
 }
 
 int arch_handle_signal(int sig, struct uml_pt_regs *regs)

include/asm-um/processor-i386.h

@@ -10,7 +10,6 @@
 #include "asm/host_ldt.h"
 #include "asm/segment.h"
 
-extern int host_has_xmm;
 extern int host_has_cmov;
 
 /* include faultinfo structure */