remove codecov old uploader

Author: vincentfretin

package.json

@@ -7,7 +7,6 @@
   "scripts": {
     "browserify": "browserify src/index.js -s 'AFRAME' -p browserify-derequire",
     "build": "shx mkdir -p build/ && npm run browserify -- --debug -t [ envify --INSPECTOR_VERSION dev ] -o build/aframe.js",
-    "codecov": "codecov",
     "dev": "npm run build && cross-env INSPECTOR_VERSION=dev node ./scripts/budo -t envify",
     "dist": "node scripts/updateVersionLog.js && npm run dist:min && npm run dist:max",
     "dist:max": "npm run browserify -s -- --debug | exorcist dist/aframe-master.js.map > dist/aframe-master.js",
@@ -60,7 +59,6 @@
     "chai": "^4.3.6",
     "chai-shallow-deep-equal": "^1.4.0",
     "chalk": "^1.1.3",
-    "codecov": "^1.0.1",
     "cross-env": "^5.0.1",
     "envify": "^3.4.1",
     "exorcist": "^0.4.0",