Remove reference to removed check
Check removed in
@@ -89,7 +89,6 @@ SET_EXPLICIT_CHECKS = {
#
# =======================================
# From googlefonts.py
- # "com.google.fonts/check/varfont_has_instances",
# "com.google.fonts/check/varfont_weight_instances", # weak rationale
"com.google.fonts/check/aat",
"com.google.fonts/check/fvar_name_entries",
