remove zappr

.zappr.yaml

-# for github.com
-X-Zalando-Team: "acid"
-# type should be one of [code, doc, config, tools, secrets]
-# code will be the default value, if X-Zalando-Type is not found in .zappr.yml
-X-Zalando-Type: code
-
-approvals:
-  groups:
-    zalando:
-      minimum: 2
-      from:
-        orgs:
-          - zalando
\ No newline at end of file