Fix extra fast instances (#3946)

Also lower the IOPS demand for the fast ones

Author: stuartwdouglas

components/multi-platform-controller/production/host-config.yaml

@@ -61,8 +61,8 @@ data:
   dynamic.linux-fast-amd64.subnet-id: subnet-0c39ff75f819abfc5
   dynamic.linux-fast-amd64.max-instances: "10"
   dynamic.linux-fast-amd64.disk: "200"
-  dynamic.linux-fast-amd64.iops: "16000"
-  dynamic.linux-fast-amd64.throughput: "1000"
+  #  dynamic.linux-fast-amd64.iops: "16000"
+  #  dynamic.linux-fast-amd64.throughput: "1000"
 
   dynamic.linux-extra-fast-amd64.type: aws
   dynamic.linux-extra-fast-amd64.region: us-east-1
@@ -76,7 +76,7 @@ data:
   dynamic.linux-extra-fast-amd64.max-instances: "10"
   dynamic.linux-extra-fast-amd64.disk: "200"
   # dynamic.linux-extra-fast-amd64.iops: "16000"
-  dynamic.linux-extra-fast-amd64.throughput: "1000"
+  # dynamic.linux-extra-fast-amd64.throughput: "1000"
 
   dynamic.linux-root-amd64.type: aws
   dynamic.linux-root-amd64.region: us-east-1