Remove stale comments from statx patch

tools/proot/patches/0015-statx-mnt-id-fdinfo.patch

@@ -11,20 +11,8 @@ diff --git a/src/syscall/seccomp.c b/src/syscall/seccomp.c
 index ee7b8acd68660f38fd52f56e951ffb94e9061d68..ff3a79b60e9092a296bb444c919bb3861338727f 100644
 --- a/src/syscall/seccomp.c
 +++ b/src/syscall/seccomp.c
-@@ -738,4 +738,4 @@ int enable_syscall_filtering(const Tracee *tracee)
-- * the statx one emulates the call when it fails, which only a kernel
-- * before 4.11 does for want of it - a statx Android's policy traps is
-- * emulated from SIGSYS instead.  Both stops re-read and re-translate
-- * the path, and are paid on every call.
-+ * the statx one emulates the syscall before 4.11 and supplies MNT_ID
-+ * from fdinfo through 5.7. Android policy traps are still emulated from
-+ * SIGSYS instead. Both stops re-read and re-translate the path, and are
-+ * paid on every call.
-@@ -764 +764,4 @@ static void drop_unneeded_exit_stops(void)
+@@ -764 +764 @@ static void drop_unneeded_exit_stops(void)
 -			if (major > 4 || (major == 4 && minor >= 11))
-+			/* Linux 4.11 introduced statx; Linux 5.8 added MNT_ID.
-+			 * Keep its exit stop through 5.7 so the missing ID can be
-+			 * recovered from the descriptor's fdinfo. */
 +			if (major > 5 || (major == 5 && minor >= 8))
 diff --git a/src/tracee/statx.c b/src/tracee/statx.c
 index ca972f892e84461cb694dd13a37bfbc67527b320..824771ccf5934e1f870fc36a29fb22fdcad0a856 100644
@@ -32,11 +20,7 @@ index ca972f892e84461cb694dd13a37bfbc67527b320..824771ccf5934e1f870fc36a29fb22fd
 +++ b/src/tracee/statx.c
 @@ -4,0 +5 @@
 +#include "tracee/statx_mnt_id.h"
-@@ -125,0 +127,9 @@ int handle_statx_syscall(Tracee *tracee, bool from_sigsys) {
-+	/* libglnx chases an already-open fd with AT_EMPTY_PATH and requires a
-+	 * mount ID. Kernels before 5.8 can succeed without returning that field.
-+	 * The tracee is stopped at this syscall exit; accept only the ordinary
-+	 * mount ID and verify the fdinfo inode against the statx result. */
+@@ -125,0 +127,5 @@ int handle_statx_syscall(Tracee *tracee, bool from_sigsys) {
 +	if (droiddeck_proot_statx_fill_mnt_id(tracee->pid, (int) dirfd,
 +			(int) flags, guest_path, (unsigned int) mask,
 +			&state.statx_buf))