Remove unused dependency

Author: Bond

package.json

@@ -22,7 +22,7 @@
     "react-promise": "^2.0.0"
   },
   "devDependencies": {
-    "@types/react": "^15.6.4",
+    "@types/react": "^16.0.0",
     "babel-core": "^6.26.0",
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
@@ -37,7 +37,6 @@
     "raf": "^3.4.0",
     "react-dom": "^16.0.0",
     "rollup": "^0.50.0",
-    "rollup-plugin-async": "^1.2.0",
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-commonjs": "^8.2.3",
     "rollup-plugin-node-resolve": "^3.0.0"

yarn.lock

@@ -6,9 +6,9 @@
   version "6.0.90"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-6.0.90.tgz#0ed74833fa1b73dcdb9409dcb1c97ec0a8b13b02"
 
-"@types/react@^15.6.4":
-  version "15.6.4"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-15.6.4.tgz#3bb57bd43183a05919ceb025a264287348f47e9d"
+"@types/react@^16.0.0":
+  version "16.0.20"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.0.20.tgz#dc16feb9c0bdf50e439482c6fd3c43d5a1d9f3b1"
 
 abab@^1.0.3:
   version "1.0.4"
@@ -154,13 +154,6 @@ astral-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
 
-async-to-gen@^1.2.0:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/async-to-gen/-/async-to-gen-1.3.3.tgz#d52c9fb4801f0df44abc4d2de1870b48b60e20bb"
-  dependencies:
-    babylon "^6.14.0"
-    magic-string "^0.19.0"
-
 async@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -866,7 +859,7 @@ babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
-babylon@^6.14.0, babylon@^6.18.0:
+babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
@@ -2343,12 +2336,6 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
-magic-string@^0.19.0:
-  version "0.19.1"
-  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.19.1.tgz#14d768013caf2ec8fdea16a49af82fc377e75201"
-  dependencies:
-    vlq "^0.2.1"
-
 magic-string@^0.22.4:
   version "0.22.4"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.22.4.tgz#31039b4e40366395618c1d6cf8193c53917475ff"
@@ -2849,7 +2836,7 @@ react-test-renderer@^16.0.0-0:
     fbjs "^0.8.16"
     object-assign "^4.1.1"
 
-react@>=15.x.x:
+react@>=0.14.x:
   version "16.0.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.0.0.tgz#ce7df8f1941b036f02b2cca9dbd0cb1f0e855e2d"
   dependencies:
@@ -3046,13 +3033,6 @@ rimraf@2, rimraf@^2.5.1, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
-rollup-plugin-async@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-async/-/rollup-plugin-async-1.2.0.tgz#f95fdd29f8b6f2332b5a89a9d64ee8087b12b249"
-  dependencies:
-    async-to-gen "^1.2.0"
-    rollup-pluginutils "^1.5.1"
-
 rollup-plugin-babel@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.2.tgz#a2765dea0eaa8aece351c983573300d17497495b"
@@ -3078,7 +3058,7 @@ rollup-plugin-node-resolve@^3.0.0:
     is-module "^1.0.0"
     resolve "^1.1.6"
 
-rollup-pluginutils@^1.5.0, rollup-pluginutils@^1.5.1:
+rollup-pluginutils@^1.5.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
   dependencies: