Reduce log level on collab

This is generating way too much data and doesn't seem very cost-effective
to investigate the issues we've had with the stale contacts panel.

crates/collab/k8s/environments/production.sh

@@ -1,3 +1,3 @@
 ZED_ENVIRONMENT=production
-RUST_LOG=info,rpc=debug
+RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/

crates/collab/k8s/environments/staging.sh

@@ -1,3 +1,3 @@
 ZED_ENVIRONMENT=staging
-RUST_LOG=info,rpc=debug
+RUST_LOG=info
 INVITE_LINK_PREFIX=https://staging.zed.dev/invites/