update workflow Pt.8

Author: thierrymoudiki

.github/workflows/R-CMD-check.yaml

@@ -50,4 +50,4 @@ jobs:
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true
-          build_args: 'c("--no-manual", "--no-tests","--compact-vignettes=gs+qpdf")'
+          build_args: 'c("--no-tests", "--compact-vignettes=gs+qpdf")'