Fix fontbakery-build-fontmetadata.py
Fix fontbakery-build-fontmetadata.py

Remove duplicate import, add more families to blacklist

moyogo/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,googlefonts/fontbakery,graphicore/fontbakery