Fix coverage reporting

Author: jmdobry

circle.yml

@@ -7,7 +7,7 @@ machine:
     version: 5.7.0
 dependencies:
   pre:
-    - npm i -g npm codecov
+    - npm i -g npm codecov nyc
     - npm i js-data@^3.0.0-beta.5 rethinkdbdash
     - source /etc/lsb-release && echo "deb http://download.rethinkdb.com/apt $DISTRIB_CODENAME main" | sudo tee /etc/apt/sources.list.d/rethinkdb.list
     - wget -qO- http://download.rethinkdb.com/apt/pubkey.gpg | sudo apt-key add -
@@ -19,5 +19,5 @@ dependencies:
     - sleep 10
 test:
   post:
-    - cat coverage/lcov.info | codecov
+    - nyc report --reporter=lcov | codecov
     - sudo killall rethinkdb

package.json

@@ -45,10 +45,6 @@
   "babel": {
     "presets": [
       "es2015"
-    ],
-    "plugins": [
-      "syntax-async-functions",
-      "transform-regenerator"
     ]
   },
   "scripts": {