Remove google3-only comment.

PiperOrigin-RevId: 191592537
diff --git a/internal/common/compilation.bzl b/internal/common/compilation.bzl
index e0b47c4..7481180 100644
--- a/internal/common/compilation.bzl
+++ b/internal/common/compilation.bzl
@@ -43,7 +43,6 @@
         default = [],
         providers = ["js"],
     ),
-    # Override _additional_d_ts to specify google3 stdlibs
     "_additional_d_ts": attr.label_list(
         allow_files = True,
     ),