Remove unused file

libc/sysdeps/linux/powerpc/vfork.c

@@ -1,51 +0,0 @@
-#include <unistd.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <sys/syscall.h>
-
-#define __syscall_clobbers \
-	"r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
-#define __syscall_return(type) \
-	return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
-	       (type) __sc_ret
-
-pid_t attribute_hidden __vfork(void)
-{
-	unsigned long __sc_ret, __sc_err;
-	register unsigned long __sc_0 __asm__ ("r0");
-	register unsigned long __sc_3 __asm__ ("r3");
-
-#if 0
-	/* Sigh.  The vfork system call on powerpc
-	 * seems to be completely broken.  So just 
-	 * use fork instead */
-
-	__sc_0 = __NR_vfork;
-	__asm__ __volatile__
-		("sc		\n\t"
-		 "mfcr %1	"
-		: "=&r" (__sc_3), "=&r" (__sc_0)
-		: "0"   (__sc_3), "1"   (__sc_0)
-		: __syscall_clobbers);
-	__sc_ret = __sc_3;
-	__sc_err = __sc_0;
-
-	if((__sc_err & 0x10000000) && (__sc_ret == ENOSYS))
-#endif
-	{ 
-		__sc_0 = __NR_fork;
-		__asm__ __volatile__
-			("sc		\n\t"
-			 "mfcr %1	"
-			: "=&r" (__sc_3), "=&r" (__sc_0)
-			: "0"   (__sc_3), "1"   (__sc_0)
-			: __syscall_clobbers);
-		__sc_ret = __sc_3;
-		__sc_err = __sc_0;
-	}
-
-	__syscall_return (pid_t);
-}
-libc_hidden_proto(vfork)
-weak_alias(__vfork,vfork)
-libc_hidden_def(vfork)