Remove macos compatibility stanzas from tracing config.

csharp/tools/osx64/compiler-tracing.spec

@@ -14,18 +14,3 @@
   replace yes
   invoke ${compiler}
   append /p:UseSharedCompilation=false
-/usr/bin/codesign:
-  replace yes
-  invoke /usr/bin/env
-  prepend /usr/bin/codesign
-  trace no
-/usr/bin/pkill:
-  replace yes
-  invoke /usr/bin/env
-  prepend /usr/bin/pkill
-  trace no
-/usr/bin/pgrep:
-  replace yes
-  invoke /usr/bin/env
-  prepend /usr/bin/pgrep
-  trace no