ci: codecov: remove bsim step from workflow

This is not needed for this specific workflow. We do not do anything
with bsim here.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

.github/workflows/codecov.yaml

@@ -99,16 +99,6 @@ jobs:
           ccache -p
           ccache -z -s -vv
 
-      - name: Update BabbleSim to manifest revision
-        run: |
-          export BSIM_VERSION=$( west list bsim -f {revision} )
-          echo "Manifest points to bsim sha $BSIM_VERSION"
-          cd /opt/bsim_west/bsim
-          git fetch -n origin ${BSIM_VERSION}
-          git -c advice.detachedHead=false checkout ${BSIM_VERSION}
-          west update
-          make everything -s -j 8
-
       - name: Run Tests with Twister (Push)
         continue-on-error: true
         run: |