Remove github.job from cache identifier

It is the same for all of them, anyway

Author: urfeex

.github/workflows/reusable_ici.yml

@@ -41,7 +41,7 @@ jobs:
     env:
       DOCKER_RUN_OPTS: '-v /var/run/docker.sock:/var/run/docker.sock --network ursim_net'
       CCACHE_DIR: ${{ github.workspace }}/${{ inputs.ccache_dir }}
-      CACHE_PREFIX: ${{ inputs.ros_distro }}-${{ inputs.upstream_workspace }}-${{ inputs.ros_repo }}-${{ github.job }}
+      CACHE_PREFIX: ${{ inputs.ros_distro }}-${{ inputs.upstream_workspace }}-${{ inputs.ros_repo }}
     steps:
       - name: Checkout ${{ github.ref_name }} since build is not scheduled
         if: ${{ github.event_name != 'schedule' }}