Remove superfluous checks for CONFIG_BLK_DEV_INITRD from initramfs.c

Given that init/Makefile includes initramfs.c in the build only if
CONFIG_BLK_DEV_INITRD is defined, there seems to be no point checking for
it yet again.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/init/initramfs.c b/init/initramfs.c
index 1db02a0..d53fee8 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -503,7 +503,6 @@
 __setup("retain_initrd", retain_initrd_param);
 
 extern char __initramfs_start[], __initramfs_end[];
-#ifdef CONFIG_BLK_DEV_INITRD
 #include <linux/initrd.h>
 #include <linux/kexec.h>
 
@@ -539,15 +538,12 @@
 	initrd_end = 0;
 }
 
-#endif
-
 static int __init populate_rootfs(void)
 {
 	char *err = unpack_to_rootfs(__initramfs_start,
 			 __initramfs_end - __initramfs_start, 0);
 	if (err)
 		panic(err);
-#ifdef CONFIG_BLK_DEV_INITRD
 	if (initrd_start) {
 #ifdef CONFIG_BLK_DEV_RAM
 		int fd;
@@ -579,7 +575,6 @@
 		free_initrd();
 #endif
 	}
-#endif
 	return 0;
 }
 rootfs_initcall(populate_rootfs);