[misc] cleanup unused dependency on mongo and redis

buildscript.txt

@@ -4,7 +4,7 @@ clsi
 --env-add=
 --node-version=10.19.0
 --acceptance-creds=None
---dependencies=mongo,redis
+--dependencies=
 --docker-repos=gcr.io/overleaf-ops
 --env-pass-through=TEXLIVE_IMAGE
 --script-version=1.3.5

docker-compose.ci.yml

@@ -27,11 +27,6 @@ services:
       MOCHA_GREP: ${MOCHA_GREP}
       NODE_ENV: test
       TEXLIVE_IMAGE:
-    depends_on:
-      mongo:
-        condition: service_healthy
-      redis:
-        condition: service_healthy
     command: npm run test:acceptance:_run
 
 
@@ -42,8 +37,3 @@ services:
       - ./:/tmp/build/
     command: tar -czf /tmp/build/build.tar.gz --exclude=build.tar.gz --exclude-vcs .
     user: root
-  redis:
-    image: redis
-
-  mongo:
-    image: mongo:3.6

docker-compose.yml

@@ -36,16 +36,5 @@ services:
       MOCHA_GREP: ${MOCHA_GREP}
       LOG_LEVEL: ERROR
       NODE_ENV: test
-    depends_on:
-      mongo:
-        condition: service_healthy
-      redis:
-        condition: service_healthy
     command: npm run test:acceptance
 
-  redis:
-    image: redis
-
-  mongo:
-    image: mongo:3.6
-