[remove old gpu representation] don't generate it, remove from schema

lib/refrepo/gen/reference-api.rb

@@ -217,9 +217,6 @@ def generate_reference_api
           end
 
           # Add default keys
-          node["gpu"] = {} unless node.key?("gpu")
-          node["gpu"]["gpu"] ||= false
-
           node["main_memory"] = {} unless node.key?("main_memory")
 
           node['supported_job_types']['queues'] = cluster['queues'] unless node['supported_job_types'].key?('queues')

lib/refrepo/valid/input/schemas/schema-node.yaml

@@ -18,13 +18,6 @@ chassis:
   manufacturer: string
   name: string
   serial: optional # required # string ?
-gpu:
-  <optional_hash>:
-    gpu: optional_boolean # required ?
-    gpu_cores: optional_integer
-    gpu_count: optional_integer
-    gpu_vendor: optional_string
-    gpu_model: optional_string
 gpu_devices: optional_hash
 kavlan:
   <multi>: