Remove unnecessary js-yaml package (#240)

Signed-off-by: Tyler Ohlsen <ohltyler@amazon.com>

Author: ohltyler

package.json

@@ -29,7 +29,6 @@
   "dependencies": {
     "@types/jsonpath": "^0.2.4",
     "formik": "2.4.2",
-    "js-yaml": "^4.1.0",
     "jsonpath": "^1.1.1",
     "reactflow": "^11.8.3",
     "yup": "^1.3.2"

yarn.lock

@@ -288,11 +288,6 @@
   resolved "https://registry.yarnpkg.com/@types/jsonpath/-/jsonpath-0.2.4.tgz#065be59981c1420832835af656377622271154be"
   integrity sha512-K3hxB8Blw0qgW6ExKgMbXQv2UPZBoE2GqLpVY+yr7nMD2Pq86lsuIzyAaiQ7eMqFL5B6di6pxSkogLJEyEHoGA==
 
-argparse@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
-  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
-
 classcat@^5.0.3, classcat@^5.0.4:
   version "5.0.4"
   resolved "https://registry.yarnpkg.com/classcat/-/classcat-5.0.4.tgz#e12d1dfe6df6427f260f03b80dc63571a5107ba6"
@@ -427,13 +422,6 @@ hoist-non-react-statics@^3.3.0:
   dependencies:
     react-is "^16.7.0"
 
-js-yaml@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.0.tgz#c1fb65f8f5017901cdd2c951864ba18458a10602"
-  integrity sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==
-  dependencies:
-    argparse "^2.0.1"
-
 jsonpath@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/jsonpath/-/jsonpath-1.1.1.tgz#0ca1ed8fb65bb3309248cc9d5466d12d5b0b9901"