cli: don't track build/package.json

cli/build/package.json

@@ -1,53 +0,0 @@
-{
-  "name": "cypress",
-  "version": "0.19.2",
-  "description": "Cypress.io end to end testing tool",
-  "main": "lib/index.js",
-  "bin": {
-    "cypress": "bin/cypress"
-  },
-  "engines": {
-    "node": ">=0.12.0"
-  },
-  "scripts": {
-    "postinstall": "node index.js --exec install",
-    "size": "t=\"$(npm pack .)\"; wc -c \"${t}\"; tar tvf \"${t}\"; rm \"${t}\";"
-  },
-  "dependencies": {
-    "bluebird": "^3.4.5",
-    "chalk": "^1.1.3",
-    "commander": "^2.8.1",
-    "common-tags": "^1.4.0",
-    "debug": "^2.6.8",
-    "extract-zip": "^1.6.0",
-    "fs-extra": "1.0.0",
-    "getos": "^2.8.4",
-    "glob": "^7.0.6",
-    "is-ci": "^1.0.10",
-    "lodash": "^4.16.3",
-    "minimist": "^1.2.0",
-    "progress": "^1.1.8",
-    "ramda": "^0.24.1",
-    "request": "^2.81.0",
-    "request-progress": "^0.3.1",
-    "tmp": "0.0.31",
-    "url": "^0.11.0",
-    "xvfb": "cypress-io/node-xvfb",
-    "yauzl": "^2.8.0"
-  },
-  "files": [
-    "bin",
-    "lib",
-    "index.js"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/cypress-io/cypress.git"
-  },
-  "author": "Brian Mann",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/cypress-io/cypress/issues"
-  },
-  "homepage": "https://github.com/cypress-io/cypress"
-}