Drop runcon from tests_invalid_opt.patch for non-SELinux env

Author: oech3

.github/workflows/ignore-intermittent.txt

@@ -5,5 +5,4 @@ tests/rm/rm1
 tests/misc/stdbuf
 tests/misc/usage_vs_getopt
 tests/misc/tee
-tests/misc/invalid-opt
 tests/runcon/runcon-no-reorder

util/gnu-patches/tests_invalid_opt.patch

@@ -2,6 +2,14 @@ Index: gnu/tests/misc/invalid-opt.pl
 ===================================================================
 --- gnu.orig/tests/misc/invalid-opt.pl
 +++ gnu/tests/misc/invalid-opt.pl
+@@ -34,7 +34,6 @@
+     expr => 0,
+     nice => 125,
+     nohup => 125,
+-    runcon => 125,
+     sort => 2,
+     stdbuf => 125,
+     test => 0,
 @@ -74,23 +74,13 @@ foreach my $prog (@built_programs)
      defined $out
        or $out = '';

util/why-skip.md

@@ -29,7 +29,6 @@
 * tests/mkdir/restorecon.sh
 * tests/misc/selinux.sh
 * tests/misc/chcon.sh
-* tests/misc/invalid-opt
 * tests/runcon/runcon-no-reorder.sh
 * tests/install/install-Z-selinux.sh
 * tests/install/install-C-selinux.sh