Remove #egg from download URLs (#12567)

The current URLs will become invalid in pip 25.0. According to the pip
docs, the egg= URLs are currently only needed for editable VCS installs.

spacy/cli/download.py

@@ -81,11 +81,8 @@ def download(
 
 def get_model_filename(model_name: str, version: str, sdist: bool = False) -> str:
     dl_tpl = "{m}-{v}/{m}-{v}{s}"
-    egg_tpl = "#egg={m}=={v}"
     suffix = SDIST_SUFFIX if sdist else WHEEL_SUFFIX
     filename = dl_tpl.format(m=model_name, v=version, s=suffix)
-    if sdist:
-        filename += egg_tpl.format(m=model_name, v=version)
     return filename