lib/test_vmalloc.c: drop empty exit function

The module is never loaded successfully.  Therefore, it'll never be
unloaded and we can remove the exit function.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Martin Kaiser <[email protected]>
Reviewed-by: Uladzislau Rezki (Sony) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: martin-kaiser

lib/test_vmalloc.c

@@ -600,12 +600,7 @@ static int vmalloc_test_init(void)
 	return -EAGAIN; /* Fail will directly unload the module */
 }
 
-static void vmalloc_test_exit(void)
-{
-}
-
 module_init(vmalloc_test_init)
-module_exit(vmalloc_test_exit)
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Uladzislau Rezki");