chore(ci): rework label in OWNERS (#5481)

OWNERS

@@ -25,32 +25,3 @@ emeritus_approvers:
   - linki
   - njuettner
   - seanmalloy
-
-filters:
-  "source/":
-    labels:
-    - source
-  "provider/aws(|sd)":
-    labels:
-    - provider/aws
-  "provider/azure":
-    labels:
-    - provider/azure
-  "provider/google":
-    labels:
-    - provider/google
-  "provider/coredns":
-    labels:
-    - provider/coredns
-  "provider/rfc2136":
-    labels:
-    - provider/rfc2136
-  "provider/pdns":
-    labels:
-    - provider/powerdns
-  "provider/cloudflare":
-    labels:
-    - provider/cloudflare
-  "provider/(akamai|alibabacloud|civo|designate|digitalocean|dnsimple|exoscale|gandi|godaddy|linode|ns1|oci|ovh|pihole|plural|scaleway|transip)":
-    labels:
-    - provider

docs/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- docs

provider/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- provider

source/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- source