remove tour_generator webhook from mypy configuration

Author: ahmedhamidawan

mypy.ini

@@ -298,8 +298,6 @@ check_untyped_defs = False
 check_untyped_defs = False
 [mypy-galaxy.datatypes.dataproviders.dataset]
 check_untyped_defs = False
-[mypy-test.functional.webhooks.tour_generator]
-check_untyped_defs = False
 [mypy-galaxy.tools.bundled.filters.gff.gff_filter_by_feature_count]
 check_untyped_defs = False
 [mypy-galaxy.tools.bundled.extract.extract_genomic_dna]