Revert "WIP"

This reverts commit 8c5b40c.

Author: SMoraisAnsys

doc/Makefile

@@ -21,8 +21,6 @@ help:
 		pip uninstall --yes vtk; \
 		@echo "Installing CI/CD required package(s)"; \
 		pip install --extra-index-url https://wheels.vtk.org vtk-osmesa==9.3.1; \
-	else \
-		echo "Skipping vtk-osmesa installation: either not in CI (ON_CI=${ON_CI}) or already installed (is_vtk_osmesa_installed=$$is_vtk_osmesa_installed)"; \
 	fi
 
 # Catch-all target: route all unknown targets to Sphinx using the new
@@ -32,12 +30,12 @@ help:
 
 
 # customized clean due to examples gallery
-clean: .install-deps
+clean:
 	rm -rf $(BUILDDIR)/*
 	find . -type d -name $(APIDIR) -exec rm -rf {} +
 
 #customized pdf build due to svg badges
-pdf: .install-ci-dep
+pdf:
 	@$(SPHINXBUILD) -M latex "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 	cd $(BUILDDIR)/latex && latexmk -r latexmkrc -pdf *.tex -interaction=nonstopmode || true
 	(test -f $(BUILDDIR)/latex/*.pdf && echo pdf exists) || exit 1