Remove SQLAlchemy stubs (#10389)

Co-authored-by: AlexWaygood <alex.waygood@gmail.com>

pyrightconfig.stricter.json

@@ -35,7 +35,6 @@
         "stubs/dateparser",
         "stubs/docutils",
         "stubs/Flask-Migrate",
-        "stubs/Flask-SQLAlchemy",
         "stubs/fpdf2",
         "stubs/html5lib",
         "stubs/httplib2",
@@ -69,7 +68,6 @@
         "stubs/redis",
         "stubs/requests",
         "stubs/setuptools",
-        "stubs/SQLAlchemy",
         "stubs/stripe",
         "stubs/tqdm",
         "stubs/ttkthemes",