Remove `babel-eslint`.

`eslint-plugin-standard-preact` includes babel-eslint, and uses a newer
version to boot.

package-lock.json

@@ -938,19 +938,6 @@
         }
       }
     },
-    "babel-eslint": {
-      "version": "6.1.2",
-      "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-6.1.2.tgz",
-      "integrity": "sha1-UpNBn+NnLWZZjTJ9qWlFZ7pqXy8=",
-      "dev": true,
-      "requires": {
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0",
-        "babylon": "6.17.3",
-        "lodash.assign": "4.2.0",
-        "lodash.pickby": "4.6.0"
-      }
-    },
     "babel-generator": {
       "version": "6.25.0",
       "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.25.0.tgz",
@@ -10818,12 +10805,6 @@
       "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w=",
       "dev": true
     },
-    "lodash.pickby": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/lodash.pickby/-/lodash.pickby-4.6.0.tgz",
-      "integrity": "sha1-feoh2MGNdwOifHBMFdO4SmfjOv8=",
-      "dev": true
-    },
     "lodash.reduce": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/lodash.reduce/-/lodash.reduce-4.6.0.tgz",

package.json

@@ -48,7 +48,6 @@
     "autoprefixer": "^7.2.5",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
-    "babel-eslint": "6.1.2",
     "babel-jest": "^22.0.6",
     "babel-plugin-add-module-exports": "0.2.1",
     "babel-plugin-es6-promise": "^1.1.1",