Remove `nock` dependency

We were not using this.

package-lock.json

@@ -473,12 +473,6 @@
       "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
       "dev": true
     },
-    "assertion-error": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
-      "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
-      "dev": true
-    },
     "assign-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
@@ -3019,17 +3013,6 @@
         "lazy-cache": "1.0.4"
       }
     },
-    "chai": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
-      "integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
-      "dev": true,
-      "requires": {
-        "assertion-error": "1.0.2",
-        "deep-eql": "0.1.3",
-        "type-detect": "1.0.0"
-      }
-    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -4278,23 +4261,6 @@
       "integrity": "sha1-gejwuDbFbEQ44/TwvJ7C5+X747M=",
       "dev": true
     },
-    "deep-eql": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
-      "integrity": "sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=",
-      "dev": true,
-      "requires": {
-        "type-detect": "0.1.1"
-      },
-      "dependencies": {
-        "type-detect": {
-          "version": "0.1.1",
-          "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
-          "integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI=",
-          "dev": true
-        }
-      }
-    },
     "deep-equal": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
@@ -12539,22 +12505,6 @@
         }
       }
     },
-    "nock": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/nock/-/nock-8.0.0.tgz",
-      "integrity": "sha1-+G1nZWjHOjuyFE68gHkdRHuzNNI=",
-      "dev": true,
-      "requires": {
-        "chai": "3.5.0",
-        "debug": "2.6.4",
-        "deep-equal": "1.0.1",
-        "json-stringify-safe": "5.0.1",
-        "lodash": "4.17.4",
-        "mkdirp": "0.5.1",
-        "propagate": "0.4.0",
-        "qs": "6.4.0"
-      }
-    },
     "node-fetch": {
       "version": "1.7.1",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.1.tgz",
@@ -15119,12 +15069,6 @@
         "object-assign": "4.1.1"
       }
     },
-    "propagate": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/propagate/-/propagate-0.4.0.tgz",
-      "integrity": "sha1-8/zKCm/gZzanulcpZgaWF8EwtIE=",
-      "dev": true
-    },
     "property-is-enumerable-x": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/property-is-enumerable-x/-/property-is-enumerable-x-1.1.0.tgz",
@@ -18002,12 +17946,6 @@
         "prelude-ls": "1.1.2"
       }
     },
-    "type-detect": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
-      "integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI=",
-      "dev": true
-    },
     "type-is": {
       "version": "1.6.15",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.15.tgz",

package.json

@@ -82,7 +82,6 @@
     "mkdirp": "0.5.1",
     "multi-glob": "1.0.1",
     "next-update": "^3.6.0",
-    "nock": "8.0.0",
     "node-sass": "^4.7.2",
     "nodemon": "^1.14.11",
     "npm-run-all": "^4.1.2",