tools: e2fsprogs: drop e2fsck patch

After digging in the history of the e2fsck exit code patch, it seems like
there is no reason for us to carry this patch so lets drop it.

Link: https://github.com/openwrt/openwrt/pull/16500
Signed-off-by: Robert Marko <[email protected]>

tools/e2fsprogs/patches/001-exit_0_on_corrected_errors.patch

@@ -1,11 +0,0 @@
---- a/e2fsck/e2fsck.h
-+++ b/e2fsck/e2fsck.h
-@@ -81,7 +81,7 @@
-  * Exit codes used by fsck-type programs
-  */
- #define FSCK_OK          0	/* No errors */
--#define FSCK_NONDESTRUCT 1	/* File system errors corrected */
-+#define FSCK_NONDESTRUCT 0	/* File system errors corrected */
- #define FSCK_REBOOT      2	/* System should be rebooted */
- #define FSCK_UNCORRECTED 4	/* File system errors left uncorrected */
- #define FSCK_ERROR       8	/* Operational error */