Remove unused nock dev dependency

(Reduce npm vulnerability warnings.)

package-lock.json

@@ -2136,12 +2136,6 @@
       "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
       "dev": true
     },
-    "json-stringify-safe": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-      "dev": true
-    },
     "json5": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.3.tgz",
@@ -2341,18 +2335,6 @@
       "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
       "dev": true
     },
-    "nock": {
-      "version": "12.0.3",
-      "resolved": "https://registry.npmjs.org/nock/-/nock-12.0.3.tgz",
-      "integrity": "sha512-QNb/j8kbFnKCiyqi9C5DD0jH/FubFGj5rt9NQFONXwQm3IPB0CULECg/eS3AU1KgZb/6SwUa4/DTRKhVxkGABw==",
-      "dev": true,
-      "requires": {
-        "debug": "^4.1.0",
-        "json-stringify-safe": "^5.0.1",
-        "lodash": "^4.17.13",
-        "propagate": "^2.0.0"
-      }
-    },
     "node-forge": {
       "version": "0.10.0",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.10.0.tgz",
@@ -2615,12 +2597,6 @@
         "fromentries": "^1.2.0"
       }
     },
-    "propagate": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/propagate/-/propagate-2.0.1.tgz",
-      "integrity": "sha512-vGrhOavPSTz4QVNuBNdcNXePNdNMaO1xj9yBeH1ScQPjk/rhg9sSlCXPhMkFuaNNW/syTvYqsnbIJxMBfRbbag==",
-      "dev": true
-    },
     "prr": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",

package.json

@@ -67,7 +67,6 @@
     "dependency-cruiser": "^9.15.1",
     "jsdoc": "^3.6.6",
     "jsdoc-to-markdown": "^6.0.1",
-    "nock": "^12.0.3",
     "nyc": "^15.1.0",
     "tap-nyc": "^1.0.3",
     "tap-spec": "https://github.com/small-tech/tap-spec",