Update tests reviewers for the Geolocation API (#29816)

diff --git a/geolocation-API/META.yml b/geolocation-API/META.yml
index fa24304..ba8397e 100644
--- a/geolocation-API/META.yml
+++ b/geolocation-API/META.yml
@@ -1,5 +1,3 @@
 spec: https://w3c.github.io/geolocation-api/
 suggested_reviewers:
-  - jdm
-  - yellowdoge
-  - zqzhang
+  - marcoscaceres