rm c18 options (#110)

Author: johrstrom

form.yml.erb

@@ -72,16 +72,6 @@ attributes:
           data-option-for-cluster-kubernetes-test: false,
           data-option-for-cluster-kubernetes-dev: false
         ]
-      - [
-          "40 core",     "any-40core",
-          data-min-num-cores-for-cluster-pitzer: 1,
-          data-max-num-cores-for-cluster-pitzer: 40,
-          data-option-for-cluster-owens: false,
-          data-option-for-cluster-ascend: false,
-          data-option-for-cluster-kubernetes: false,
-          data-option-for-cluster-kubernetes-test: false,
-          data-option-for-cluster-kubernetes-dev: false
-        ]
       - [
           "48 core",     "any-48core",
           data-min-num-cores-for-cluster-pitzer: 1,
@@ -104,16 +94,6 @@ attributes:
           data-option-for-cluster-kubernetes-test: false,
           data-option-for-cluster-kubernetes-dev: false
         ]
-      - [
-          "40 core gpu",     "gpu-40core",
-          data-min-num-cores-for-cluster-pitzer: 1,
-          data-max-num-cores-for-cluster-pitzer: 40,
-          data-option-for-cluster-owens: false,
-          data-option-for-cluster-ascend: false,
-          data-option-for-cluster-kubernetes: false,
-          data-option-for-cluster-kubernetes-test: false,
-          data-option-for-cluster-kubernetes-dev: false
-        ]
       - [
           "48 core gpu",     "gpu-48core",
           data-min-num-cores-for-cluster-pitzer: 1,