github: codeowners syntax fixes

.github/CODEOWNERS

@@ -1,21 +1,15 @@
 # https://help.github.com/articles/about-codeowners/
 #
 # last match wins, so put more specific matches towards the end
+#
+# only ppl with push rights in the repo can be owners
+# https://github.com/isaacs/github/issues/989#issuecomment-320475904
+#
+# additionally, it seems only the directoy syntax works.
+# e.g. '/src/source-*.[ch]  @regit' seems to have no effect.
 
 *                   @OISF/core-team
-rust/*              @victorjulien @jasonish
-src/source-*        @regit
-doc/*               @norg
-src/detect-engine*  @victorjulien
-*ssl*               @thus @OISF/core-team
-*tls*               @thus @OISF/core-team
-*nfs*               @victorjulien
-*dns*               @jasonish
-*ntp*               @chifflier
-
-*prelude*           @ToToL
-
-*napatech*          @psanders240
-
-.github/            @victorjulien
+/doc/               @norg
+/rust/              @victorjulien @jasonish
+/.github/           @victorjulien