Drop vm_mmap_min_addr checks from scripts and sanity class

QEMU 0.12.x is relocatable so we no longer need these tests, which is good
because it doesn't work reliably with modern kernels.

Signed-off-by: Joshua Lock <josh@linux.intel.com>

scripts/poky-qemu-internal

@@ -79,13 +79,6 @@ if [ ! -f "$ZIMAGE" ]; then
     return
 fi
 
-if [ -e /proc/sys/vm/mmap_min_addr ]; then
-    if [ `cat /proc/sys/vm/mmap_min_addr` != "0" ]; then
-        echo "Error, please set /proc/sys/vm/mmap_min_addr to 0 since otherwise it can cause problems with QEMU"
-	return
-    fi
-fi
-
 if [ "$MACHINE" = "qemuarm" -o "$MACHINE" = "qemuarmv6" -o "$MACHINE" = "qemuarmv7" ]; then
     QEMU=qemu-system-arm
     if [ "$TYPE" = "ext3" ]; then