build(deps): Clean up deps

Upgrade and clean up dependencies.

package.json

@@ -70,7 +70,6 @@
     "@babel/polyfill": "^7.2.5",
     "@babel/preset-env": "^7.3.1",
     "@babel/preset-flow": "^7.0.0",
-    "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.1.0",
     "babel-loader": "^8.0.5",
@@ -83,16 +82,16 @@
     "eslint": "^5.13.0",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.16.0",
-    "flow-bin": "^0.92.1",
-    "flow-copy-source": "^2.0.2",
+    "flow-bin": "^0.93.0",
+    "flow-copy-source": "^2.0.3",
     "flow-coverage-report": "^0.6.1",
     "husky": "^1.3.1",
     "jest": "^24.1.0",
     "lint-staged": "^8.1.3",
     "lodash": "^4.17.11",
     "npm-watch": "^0.6.0",
     "prettier": "^1.16.4",
-    "pushstate-server": "3.0.1",
+    "pushstate-server": "3.1.0",
     "ramda": "^0.26.1",
     "rollup": "^1.1.2",
     "rollup-plugin-babel": "^4.3.2",