Pare down the CODEOWNERS [skip ci] [ci skip] (#40929)

DilumAluthge · KristofferC · commit 72c13a4425b2 · 2021-08-25T14:17:25.000+02:00
(cherry picked from commit 4ecbc16)
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
@@ -1,7 +1,3 @@
+CODEOWNERS @JuliaLang/github-actions 
 /.github/ @JuliaLang/github-actions 
 /.buildkite/ @JuliaLang/github-actions
-/src/ @JuliaLang/compiler
-/stdlib/LinearAlgebra/ @JuliaLang/linearalgebra
-/stdlib/libblastrampoline_jll/ @staticfloat
-/test/ @JuliaLang/test
-
