Remove remaining Concourse tasks for CI publish build

Closes gh-939

ci/scripts/build-project.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-set -e
-
-source $(dirname $0)/common.sh
-repository=$(pwd)/distribution-repository
-
-/bin/start-docker.sh
-if [[ -n $DOCKER_HUB_USERNAME ]]; then
-	echo "$DOCKER_HUB_PASSWORD" | docker login -u $DOCKER_HUB_USERNAME --password-stdin
-fi
-
-pushd git-repo > /dev/null
-./gradlew -Dorg.gradle.internal.launcher.welcomeMessageEnabled=false --no-daemon --max-workers=4 -PdeploymentRepository=${repository} build publishAllPublicationsToDeploymentRepository
-popd > /dev/null

ci/tasks/build-project.yml

@@ -1,22 +0,0 @@
----
-platform: linux
-inputs:
-- name: git-repo
-outputs:
-- name: distribution-repository
-- name: git-repo
-caches:
-- path: gradle
-params:
-  BRANCH:
-  CI: true
-  GRADLE_ENTERPRISE_ACCESS_KEY:
-  GRADLE_ENTERPRISE_CACHE_USERNAME:
-  GRADLE_ENTERPRISE_CACHE_PASSWORD:
-  GRADLE_ENTERPRISE_URL: https://ge.spring.io
-run:
-  path: bash
-  args:
-    - -ec
-    - |
-      ${PWD}/git-repo/ci/scripts/build-project.sh