Update virtualenv.pyz.ABOUT to remove notes

Notes are removed as the archive is not modified to remove extra wheels anymore.

Author: AyanSinhaMahapatra

etc/thirdparty/virtualenv.pyz.ABOUT

@@ -11,5 +11,3 @@ redistribute: yes
 attribute: yes
 track_changes: yes
 package_url: pkg:github/pypa/[email protected]#public/virtualenv.pyz
-notes: this archive has been modified from the original to remove extra
- embedded wheels that are not needed as we support only Python 3.7+