Remove Babel (#33)

Fix #32

package.json

@@ -10,21 +10,18 @@
     "test": "test"
   },
   "dependencies": {
-    "babel-runtime": "^5.8.20",
     "bn.js": "^5.1.1",
     "brorand": "^1.0.5",
     "elliptic": "^6.5.2",
     "hash.js": "^1.0.3",
+    "source-map-support": "^0.5.13",
     "ripple-address-codec": "^4.0.0"
   },
   "devDependencies": {
+    "@types/mocha": "^5.2.7",
     "@types/node": "^13.1.5",
     "@typescript-eslint/eslint-plugin": "^2.16.0",
     "@typescript-eslint/parser": "^2.16.0",
-    "babel": "^5.8.20",
-    "babel-core": "^5.8.20",
-    "babel-eslint": "^6.0.0",
-    "babel-loader": "^5.3.2",
     "eslint": "^6.8.0",
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-config-airbnb-typescript": "^6.3.1",
@@ -35,12 +32,10 @@
     "mocha": "^7.0.0",
     "nyc": "^15.0.0",
     "prettier": "^1.19.1",
-    "typescript": "^3.1.3"
+    "typescript": "^3.6.4"
   },
   "scripts": {
     "compile": "tsc",
-    "compile-babel": "babel --optional runtime -d distrib/npm/ src/",
-    "compile-with-source-maps": "babel --optional runtime -s -t -d distrib/npm/ src/",
     "test": "tsc && nyc mocha",
     "lint": "eslint . --ext .ts --fix"
   },

test/mocha.opts

@@ -0,0 +1,3 @@
+--require source-map-support/register
+--full-trace
+test/*.js