Revert "proc: smaps: Allow smaps access for CAP_SYS_RESOURCE"

This reverts commit f0ce0eee.

Bug: 34951864
Bug: 36468447
Change-Id: I87bd92e096c6c28a53b9ecf302ae008f5e58eba1
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>

kernel/fork.c

@@ -732,8 +732,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
 
 	mm = get_task_mm(task);
 	if (mm && mm != current->mm &&
-			!ptrace_may_access(task, mode) &&
-			!capable(CAP_SYS_RESOURCE)) {
+			!ptrace_may_access(task, mode)) {
 		mmput(mm);
 		mm = ERR_PTR(-EACCES);
 	}