[skip CI] switched from yaml/yaml.js to js-yaml

package-lock.json

@@ -151,15 +151,6 @@
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
-    "@babel/runtime": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.5.4.tgz",
-      "integrity": "sha512-Na84uwyImZZc3FKf4aUF1tysApzwf3p2yuFBIyBfbzT5glzKTdvYI4KVW4kcgjrzoGUjC7w3YyCHcJKaRxsr2Q==",
-      "dev": true,
-      "requires": {
-        "regenerator-runtime": "^0.13.2"
-      }
-    },
     "@babel/template": {
       "version": "7.4.4",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.4.4.tgz",
@@ -4943,12 +4934,6 @@
         "util.promisify": "^1.0.0"
       }
     },
-    "regenerator-runtime": {
-      "version": "0.13.2",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz",
-      "integrity": "sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA==",
-      "dev": true
-    },
     "regex-not": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
@@ -6243,15 +6228,6 @@
       "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
       "dev": true
     },
-    "yaml": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.6.0.tgz",
-      "integrity": "sha512-iZfse3lwrJRoSlfs/9KQ9iIXxs9++RvBFVzAqbbBiFT+giYtyanevreF9r61ZTbGMgWQBxAua3FzJiniiJXWWw==",
-      "dev": true,
-      "requires": {
-        "@babel/runtime": "^7.4.5"
-      }
-    },
     "yargs": {
       "version": "12.0.5",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",