Remove redundant build service

docker-compose.yml

@@ -1,19 +1,6 @@
 version: "3"
 services:
 
-  build:
-    build: 
-      context: .
-      dockerfile: Dockerfile_hugo
-    command: |
-      /bin/bash -c "
-        cd /code
-        hugo --destination _site/
-      "
-    volumes:
-      - .:/code
-
-
   serve:
     build: 
       context: .