testing/slock: remove obsolet patch

testing/slock/safer-oom-killer-disablement.patch

@@ -1,30 +0,0 @@
---- slock-1.2.orig/slock.c
-+++ slock-1.2/slock.c
-@@ -48,15 +48,26 @@
- 
- #ifdef __linux__
- #include <fcntl.h>
-+#include <linux/oom.h>
- 
- static void
- dontkillme(void) {
- 	int fd;
-+	int length;
-+	char value[64];
- 
- 	fd = open("/proc/self/oom_score_adj", O_WRONLY);
- 	if (fd < 0 && errno == ENOENT)
- 		return;
--	if (fd < 0 || write(fd, "-1000\n", 6) != 6 || close(fd) != 0)
-+
-+	/* convert OOM_SCORE_ADJ_MIN to string for writing */
-+	length = snprintf(value, sizeof(value), "%d\n", OOM_SCORE_ADJ_MIN);
-+
-+	/* bail on truncation */
-+	if (length >= sizeof(value))
-+		die("buffer too small\n");
-+
-+	if (fd < 0 || write(fd, value, length) != length || close(fd) != 0)
- 		die("cannot disable the out-of-memory killer for this process\n");
- }
- #endif