microblaze: Remove unused label
The label should be remove by
21e1c93631e027136ea4070e7bca600c4ad4f391
Warning message:
arch/microblaze/mm/fault.c: In function 'do_page_fault':
arch/microblaze/mm/fault.c:229: warning: label 'survive' defined but not used
Signed-off-by: Michal Simek <monstr@monstr.eu>