remove unnecessary set env

Author: vietnguyen-td

.github/workflows/build.yml

@@ -91,8 +91,6 @@ jobs:
       run: mysql -h 127.0.0.1 --port 3306 -uroot -proot -e "show databases;"
     - name: Create database
       run: mysql -h 127.0.0.1 --port 3306 -uroot -proot -e "create database ci_test;"
-    - name: Set env
-      run: echo ::set-env name=workspace::$GITHUB_WORKSPACE
     - name: Build with testing
       run: ./gradlew --stacktrace :embulk-input-mysql:check
       env:
@@ -129,8 +127,6 @@ jobs:
       run: psql -h 127.0.0.1 -p 5432 -U postgres -d postgres -c "create database ci_test;"
       env:
         PGPASSWORD: postgres
-    - name: Set env
-      run: echo ::set-env name=workspace::$GITHUB_WORKSPACE
     - name: Build with testing
       run: ./gradlew --stacktrace :embulk-input-postgresql:check
       env:
@@ -162,8 +158,6 @@ jobs:
       run: psql -h 127.0.0.1 -p 5439 -U postgres -d postgres -c "create database ci_test;"
       env:
         PGPASSWORD: postgres
-    - name: Set env
-      run: echo ::set-env name=workspace::$GITHUB_WORKSPACE
     - name: Build with testing
       run: ./gradlew --stacktrace :embulk-input-redshift:check
       env:
@@ -196,8 +190,6 @@ jobs:
       run: docker ps -a
     - name: Confirm log
       run: docker logs mssqlcontainer
-    - name: Set env
-      run: echo ::set-env name=workspace::$GITHUB_WORKSPACE
     - name: Copy test resources into Docker container
       run: docker cp ${{ github.workspace }}/embulk-input-sqlserver/src/test/resources/org/embulk/input/sqlserver/test/expect/. mssqlcontainer:/tmp
     - name: List resource files