Revert "Compress debug info in clang builds with zstd"

Revert submission 2788316

Reason for revert: DroidMonitor-triggered revert due to breakage https://android-build.corp.google.com/builds/quarterdeck?branch=git_main&target=panther-next-userdebug&lkgb=10981485&lkbb=10981536&fkbb=10981536, bug b/306625613

Reverted changes: /q/submissionid:2788316

Change-Id: I7a49b82d26454fe34f8200622a38cdabc0f446cf
BUG: 306625613
diff --git a/cc/config/global.go b/cc/config/global.go
index be81b2e..62b008b 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -133,9 +133,6 @@
 		// Using simple template names reduces the size of debug builds.
 		"-gsimple-template-names",
 
-		// Use zstd to compress debug data.
-		"-gz=zstd",
-
 		// Make paths in deps files relative.
 		"-no-canonical-prefixes",
 	}