Apply suggestions from code review

Co-authored-by: Rick Newton-Rogers <rnro@apple.com>

Author: glbrntt

.github/workflows/main.yml

@@ -22,5 +22,3 @@ jobs:
         name: Static SDK
         # Workaround https://github.com/nektos/act/issues/1875
         uses: apple/swift-nio/.github/workflows/static_sdk.yml@main
-        with:
-            linux_5_9_enabled: false

.github/workflows/pull_request.yml

@@ -31,5 +31,3 @@ jobs:
         name: Static SDK
         # Workaround https://github.com/nektos/act/issues/1875
         uses: apple/swift-nio/.github/workflows/static_sdk.yml@main
-        with:
-            linux_5_9_enabled: false