remove unneeded dep on babel/core

Author: hawkrives

package.json

@@ -156,7 +156,6 @@
     "wordwrap": "1.0.0"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.44",
     "ajv": "6.5.3",
     "babel-core": "6.26.3",
     "babel-eslint": "8.2.6",

yarn.lock

@@ -14,26 +14,6 @@
   dependencies:
     "@babel/highlight" "7.0.0-rc.1"
 
-"@babel/[email protected]":
-  version "7.0.0-beta.44"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.44.tgz#90bb9e897427e7ebec2a1b857f458ff74ca28057"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.44"
-    "@babel/generator" "7.0.0-beta.44"
-    "@babel/helpers" "7.0.0-beta.44"
-    "@babel/template" "7.0.0-beta.44"
-    "@babel/traverse" "7.0.0-beta.44"
-    "@babel/types" "7.0.0-beta.44"
-    babylon "7.0.0-beta.44"
-    convert-source-map "^1.1.0"
-    debug "^3.1.0"
-    json5 "^0.5.0"
-    lodash "^4.2.0"
-    micromatch "^2.3.11"
-    resolve "^1.3.2"
-    semver "^5.4.1"
-    source-map "^0.5.0"
-
 "@babel/core@^7.0.0-beta":
   version "7.0.0-rc.1"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-rc.1.tgz#53c84fd562e13325f123d5951184eec97b958204"
@@ -232,14 +212,6 @@
     "@babel/traverse" "7.0.0-rc.1"
     "@babel/types" "7.0.0-rc.1"
 
-"@babel/[email protected]":
-  version "7.0.0-beta.44"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.44.tgz#b1cc87fdc3b77351c0a4860bcd9d4ef457919bfd"
-  dependencies:
-    "@babel/template" "7.0.0-beta.44"
-    "@babel/traverse" "7.0.0-beta.44"
-    "@babel/types" "7.0.0-beta.44"
-
 "@babel/[email protected]":
   version "7.0.0-rc.1"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-rc.1.tgz#e59092cdf4b28026b3fc9d272e27e0ef152b4bee"