remove the concern about links as it no longer seems to be useful

Author: wyattscarpenter

mypy/main.py

@@ -615,10 +615,6 @@ def add_invertible_flag(
     #     Feel free to add subsequent sentences that add additional details.
     # 3.  If you cannot think of a meaningful description for a new group, omit it entirely.
     #     (E.g. see the "miscellaneous" sections).
-    # 4.  The group description should end with a period (unless the last line is a link). If you
-    #     do end the group description with a link, omit the 'http://' prefix. (Some links are too
-    #     long and will break up into multiple lines if we include that prefix, so for consistency
-    #     we omit the prefix on all links.)
 
     general_group = parser.add_argument_group(title="Utility arguments")
     general_group.add_argument(