CI: Don't enable verbose output

We get the build log via the artifact upload so having it in the action
output is redundant (it also tends to get suppressed anyway).

Signed-off-by: Chris Packham <judge.packham@gmail.com>

.github/workflows/continuous-integration-workflow.yml

@@ -64,10 +64,6 @@ jobs:
           sed -i -e '/CT_LOG_PROGRESS_BAR/s/y$/n/' .config
           sed -i -e '/CT_LOCAL_TARBALLS_DIR/s/HOME/CT_TOP_DIR/' .config
           sed -i -e '/CT_PREFIX_DIR/s/HOME/CT_TOP_DIR/' .config
-          sed -i -e '/CT_LOG_EXTRA/d' .config
-          sed -i -e '/CT_LOG_LEVEL_MAX/d' .config
-          echo 'CT_LOG_ALL=y' >>.config
-          echo 'CT_LOG_LEVEL_MAX="ALL"' >>.config
           ct-ng build
       - name: "upload log"
         uses: actions/upload-artifact@v2