[PCAPI] Remove instructions about pushing the PCAPI Docker image to the Public ECR.

Such instructions are deprecated because we do not publish such image
since we switched to Lambda Layer in PC 3.6.

Signed-off-by: Giacomo Marciani <mgiacomo@amazon.com>

Author: gmarciani

api/docker/awslambda/docker-build.sh

@@ -18,8 +18,3 @@ echo "Use the following to run a local Flask development server hosting the API"
 echo "  docker run -p 8080:8080 --entrypoint python pcluster-lambda -m pcluster.api.flask_app"
 echo "Then you can navigate to the following url to test the API: http://0.0.0.0:8080/ui"
 echo "Note that to enable swagger-ui you have to build the docker with '--build-arg PROFILE=dev'"
-echo
-echo "Use the following command to push the built image to a public ECR repository"
-echo "  aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin public.ecr.aws/<alias>/<repository-name>"
-echo "  docker tag pcluster-lambda:latest public.ecr.aws/<alias>/<repository-name>:latest"
-echo "  docker push public.ecr.aws/<alias>/<repository-name>:latest"