chore(workflow): remove deprecated branch 'v2' from PyPI release triggers

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

Author: xSAVIKx

.github/workflows/pypi-release.yml

@@ -5,7 +5,6 @@ on:
   push:
     branches:
       - main
-      - v2
       - 'tag/v**'
 
 jobs: