misc: remove runme.io config

***NO_CI***

.runme/config.yaml

-version: 1.0
-publish: app
-services:
-  app:
-    image: requarks/wiki:2
-    environment:
-      DB_TYPE: postgres
-      DB_PORT: 5432
-      DB_HOST: db
-      DB_USER: wiki
-      DB_PASS: Password123!
-      DB_NAME: wiki
-    ports:
-      - container: 3000
-        public: 80
-  db:
-    image: postgres:11
-    environment:
-      POSTGRES_DB: wiki
-      POSTGRES_USER: wiki
-      POSTGRES_PASSWORD: Password123!