Removed pypy-2.7 from CI.

Author: vsajip

.github/workflows/python-package.yml

@@ -31,7 +31,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', 'pypy-2.7', 'pypy-3.9']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', 'pypy-3.9']
 
     steps:
     - uses: actions/checkout@v4