Remove pypy 3.9 from azure-storage-extensions build matrix (#47062)

Author: JennyPng

sdk/storage/azure-storage-extensions/pyproject.toml

@@ -17,7 +17,7 @@ suppressed_skip_warnings = ["*"]
 requires = ["setuptools", "wheel"]
 
 [tool.cibuildwheel]
-build = ["cp39*", "pp39*", "pp310*", "pp311*"]
+build = ["cp39*", "pp310*", "pp311*"]
 test-requires = "pytest"
 test-command = "pytest {project}/tests"
 test-skip = "*-macosx_arm64"