[fuchsia] update owners file

Change-Id: Id9d83ffbdd46012c1946ce9d6c11371f7c3c9f0b
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/spirv-cross/+/792914
Reviewed-by: Josh Gargus <jjosh@google.com>
diff --git a/OWNERS b/OWNERS
index 8ab9c85..ce5f89d 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,2 @@
 jjosh@google.com
 liyl@google.com
-cfontas@google.com