Move around some Sanity tests

Test sharing adjust definitions by having it once per subdirectory in
Sanity. Separate named for bind testing, utils for just bind-utils
testing. With the same working also for other bind variants.

Sanity/caching-resolver-dnssec/main.fmf

@@ -1,31 +0,0 @@
-summary: Configure bind as caching and validating iterative resolver
-test: ./test.sh
-framework: beakerlib
-description: |
-  Configures named as a caching iterative resolver. Keep dnssec-validation enabled and try to
-  start resolution from root servers hints.
-
-  Test signed zones are validated and include ad bit. Check unsigned zones are
-  missing ad bit in responses. Requires public root-servers.net and other zone nameservers are directly accessible.
-recommend+:
-  - sed
-  - awk
-adjust:
-  - recommend+:
-      - bind
-      - bind-utils
-    environment+:
-      PACKAGE: bind
-    when: component is not defined or component == bind
-  - recommend+:
-      - bind9.16
-      - bind9.16-utils
-    environment+:
-      PACKAGE: bind9.16
-    when: component == bind9.16
-  - recommend+:
-      - bind9-next
-      - bind9-next-utils
-    environment+:
-      PACKAGE: bind9-next
-    when: component == bind9-next

Sanity/named/main.fmf

@@ -1,3 +1,5 @@
+tags+:
+  - named
 adjust+:
   - require+:
       - bind

Sanity/utils/main.fmf

@@ -1,3 +1,5 @@
+tags+:
+  - utils
 adjust+:
   - require+:
       - bind-utils