fix typo from bad merge (#744)

dgrove-oss · web-flow · commit 4b3874f101fd · 2022-08-18T10:50:26.000+09:00
diff --git a/helm/openwhisk/runtimes.json b/helm/openwhisk/runtimes.json
@@ -41,7 +41,7 @@
                     "attachmentName": "codefile",
                     "attachmentType": "text/plain"
                 }
-            },
+            }
         ],
         "python": [
             {
