chore: remove semantic release

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@dadi/api-mongodb",
-  "version": "0.0.0-development",
+  "version": "4.2.2",
   "description": "A MongoDB adapter for DADI API",
   "keywords": [
     "dadi",
@@ -15,9 +15,7 @@
   "main": "index.js",
   "scripts": {
     "test": "rm -rf config/mongodb.test.json && standard 'lib/**/*.js' | snazzy && env NODE_ENV=test ./node_modules/.bin/istanbul cover --report cobertura --report text --report html --report lcov ./node_modules/mocha/bin/_mocha test",
-    "posttest": "./scripts/coverage.js",
-    "semantic-release": "semantic-release",
-    "travis-deploy-once": "travis-deploy-once"
+    "posttest": "./scripts/coverage.js"
   },
   "author": "James Lambie <jameslambie@gmail.com>",
   "license": "ISC",
@@ -37,12 +35,10 @@
     "env-test": "1.0.0",
     "istanbul": "1.1.0-alpha.1",
     "mocha": "5.2.0",
-    "semantic-release": "^15.8.1",
     "should": "11.2.1",
     "sinon": "4.4.3",
     "snazzy": "7.0.0",
-    "standard": "8.x.x",
-    "travis-deploy-once": "^5.0.1"
+    "standard": "8.x.x"
   },
   "greenkeeper": {
     "ignore": [