parisc: Remove spurious if statement from raw_copy_from_user()

Accidently introduced in commit 91428ca.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 91428ca ("parisc: Check region is readable by user in raw_copy_from_user()")
Cc: stable@vger.kernel.org # v5.12+

Author: danglin44

arch/parisc/lib/memcpy.c

@@ -41,7 +41,6 @@ unsigned long raw_copy_from_user(void *dst, const void __user *src,
 	mtsp(get_kernel_space(), SR_TEMP2);
 
 	/* Check region is user accessible */
-	if (start)
 	while (start < end) {
 		if (!prober_user(SR_TEMP1, start)) {
 			newlen = (start - (unsigned long) src);