Remove deprecated codenotary fields (#257)

Author: frenck

phpmyadmin/build.yaml

@@ -3,6 +3,3 @@ build_from:
   aarch64: ghcr.io/hassio-addons/base:18.2.1
   amd64: ghcr.io/hassio-addons/base:18.2.1
   armv7: ghcr.io/hassio-addons/base:18.2.1
-codenotary:
-  base_image: codenotary@frenck.dev
-  signer: codenotary@frenck.dev

phpmyadmin/config.yaml

@@ -4,7 +4,6 @@ version: dev
 slug: phpmyadmin
 description: A web interface for the official MariaDB add-on
 url: https://github.com/hassio-addons/addon-phpmyadmin
-codenotary: codenotary@frenck.dev
 ingress: true
 ingress_stream: true
 panel_icon: mdi:database