ci/ros: remove useless lines

.github/workflows/ros_ci.yml

@@ -30,15 +30,6 @@ jobs:
         with:
           path: ${{ env.CCACHE_DIR }}
           key: ccache-${{ matrix.env.ROS_DISTRO }}-${{ matrix.env.ROS_REPO }}
-      - name: Echo CCACHE_DIR
-        shell: bash -l {0}
-        env: ${{ matrix.env }}
-        run: |
-          echo CCACHE_DIR=${CCACHE_DIR}
-      - name: Echo CCACHE_DIR
-        shell: bash -l {0}
-        run: |
-          echo CCACHE_DIR=${CCACHE_DIR}
       # Run industrial_ci
       - uses: 'ros-industrial/industrial_ci@6a8f546cbd31fbd5c9f77e3409265c8b39abc3d6'
         env: ${{ matrix.env }}