Remove pep484 type comments from the code

Current effort is around the stub package, and having typing in
two places makes thing worse, since the types here are usually
outdated compared to the version in the stubs.

Once v2 gets under way we can start consolidating the types
here.

Fixes: #6461

Change-Id: I7132a444bd7138123074bf5bc664b4bb119a85ce

1 files changed, 1 insertions, 7 deletions

diff --git a/lib/sqlalchemy/orm/relationships.py b/lib/sqlalchemy/orm/relationships.py
index bf166e181..5d87ef797 100644
--- a/lib/sqlalchemy/orm/relationships.py
+++ b/lib/sqlalchemy/orm/relationships.py
@@ -50,12 +50,6 @@ from ..sql.util import selectables_overlap
 from ..sql.util import visit_binary_product
 
 
-if util.TYPE_CHECKING:
-    from typing import Union
-
-    from .util import AliasedInsp
-
-
 def remote(expr):
     """Annotate a portion of a primaryjoin expression
     with a 'remote' annotation.
@@ -2086,7 +2080,7 @@ class RelationshipProperty(StrategizedProperty):
 
     @util.memoized_property
     @util.preload_module("sqlalchemy.orm.mapper")
-    def entity(self):  # type: () -> Union[AliasedInsp, mapperlib.Mapper]
+    def entity(self):
         """Return the target mapped entity, which is an inspect() of the
         class or aliased class that is referred towards.