remove bad assertions when on windows

Author: metroite

podman_compose.py

@@ -2832,9 +2832,6 @@ def is_context_git_url(path: str) -> bool:
     r = urllib.parse.urlparse(path)
     if r.scheme in ('git', 'http', 'https', 'ssh', 'file', 'rsync'):
         return True
-    # URL contains a ":" character, a hint of a valid URL
-    if r.scheme != "" and r.netloc == "" and r.path != "":
-        return True
     if r.scheme == "":  # tweak path URL to get username from url parser
         r = urllib.parse.urlparse("ssh://" + path)
         if r.username is not None and r.username != "":