Remove gitlab token reference

Dockerfile

 ####
 # Build locally:
-#   docker build
-#       --build-arg gitlab_token=<token>
-#       -t nshmp-ws-static .
+#   docker build -t nshmp-ws-static .
 ####
 
 ARG BUILD_IMAGE=usgs/amazoncorretto:11

README.md

@@ -74,8 +74,5 @@ docker run -e SERVICE=aashto -p 8080:8080 usgs/nshmp-ws-static:production-latest
 To build the Docker image locally run:
 
 ```bash
-docker build --build-arg GITLAB_TOKEN="{gitlab_token}" -t nshmp-ws-static .
+docker build -t nshmp-ws-static .
 ```
-
-> Replace `{gitlab_token}` with the GitLab API
-> [access token](https://code.usgs.gov/-/profile/personal_access_tokens)