ci: fix invalid per-file-ignores for .sh file in .flake8 config

ruvnet · ruvnet · commit 007ceecc7236 · 2026-05-23T00:50:36.000-04:00
flake8 rejects per-file-ignores entries for non-Python file extensions.
Remove the install.sh entry — flake8 skips .sh files by default.
diff --git a/.flake8 b/.flake8
@@ -8,5 +8,3 @@ exclude =
     build/,
     dist/,
     *.egg-info/
-per-file-ignores =
-    sparc_cli/install.sh:*
