chore: cleanup stale GC configs (#483)

Author: hanabi1224

tf-managed/modules/forest-droplet/bootstrap.bash.tftpl

@@ -53,7 +53,6 @@ sudo --user="${NEW_USER}" -- \
   docker run \
   --detach \
   --name=forest-"${CHAIN}" \
-  --env "FOREST_GC_TRIGGER_FACTOR=1.4" \
   --volume=/home/"${NEW_USER}"/forest_data:/home/"${NEW_USER}"/forest_data:z \
   --network=host \
   --restart=always \

tf-managed/modules/sync-check/service/docker-compose.yml

@@ -25,7 +25,7 @@ services:
       - '--save-token'
       - '/tmp/admin_token'
     environment:
-      FOREST_GC_TRIGGER_FACTOR: "1.4"
+      FOREST_SNAPSHOT_GC_INTERVAL_EPOCHS: "8640" # every 3 days
     restart: unless-stopped
     labels:
       com.centurylinklabs.watchtower.enable: true
@@ -51,7 +51,7 @@ services:
       - '--save-token'
       - '/tmp/admin_token'
     environment:
-      FOREST_GC_TRIGGER_FACTOR: "1.2"
+      FOREST_SNAPSHOT_GC_INTERVAL_EPOCHS: "8640" # every 3 days
     restart: unless-stopped
     labels:
       com.centurylinklabs.watchtower.enable: true