Remove useless installs

Author: Archmonger

tasks.py

@@ -418,11 +418,6 @@ def publish(dry_run: bool):
         with context.cd(package.path):
             context.run("twine check dist/*")
 
-            # check sdist install
-            context.run("pip install ./dist/*.tar.gz")
-            # check wheel install
-            context.run("pip install ./dist/*.whl")
-
             if dry_run:
                 return