Remove now unused danger library

dangerfile.js

@@ -1,17 +0,0 @@
-import { danger, fail, warn } from "danger";
-
-// Check if the CHANGELOG.md file has been edited
-// Fail the build and post a comment reminding submitters to do so if it wasn't changed
-if (!danger.git.modified_files.includes("CHANGELOG.md")) {
-	warn("Please include an updated `CHANGELOG.md` file.<br>This way we can keep track of all the contributions.");
-}
-
-// Check if the PR request is send to the master branch.
-// This should only be done by MichMich.
-if (danger.github.pr.base.ref === "master" && danger.github.pr.user.login !== "MichMich") {
-	// Check if the PR body or title includes the text: #accepted.
-	// If not, the PR will fail.
-	if ((danger.github.pr.body + danger.github.pr.title).includes("#accepted")) {
-		fail("Please send all your pull requests to the `develop` branch.<br>Pull requests on the `master` branch will not be accepted.");
-	}
-}

package.json

@@ -44,12 +44,11 @@
 	"devDependencies": {
 		"chai": "^4.2.0",
 		"chai-as-promised": "^7.1.1",
-		"danger": "^10.5.4",
-		"eslint-config-prettier": "^7.0.0",
-		"eslint-plugin-jsdoc": "^30.7.8",
-		"eslint-plugin-prettier": "^3.2.0",
+		"eslint-config-prettier": "^7.1.0",
+		"eslint-plugin-jsdoc": "^30.7.13",
+		"eslint-plugin-prettier": "^3.3.1",
 		"express-basic-auth": "^1.2.0",
-		"husky": "^4.3.5",
+		"husky": "^4.3.6",
 		"jsdom": "^16.4.0",
 		"lodash": "^4.17.20",
 		"mocha": "^8.2.1",
@@ -70,11 +69,11 @@
 	"dependencies": {
 		"colors": "^1.4.0",
 		"console-stamp": "^3.0.0-rc4.2",
-		"eslint": "^7.15.0",
+		"eslint": "^7.17.0",
 		"express": "^4.17.1",
 		"express-ipfilter": "^1.1.2",
 		"feedme": "^2.0.2",
-		"helmet": "^4.2.0",
+		"helmet": "^4.3.1",
 		"ical": "^0.8.0",
 		"iconv-lite": "^0.6.2",
 		"module-alias": "^2.2.2",
@@ -84,7 +83,7 @@
 		"rrule": "^2.6.6",
 		"rrule-alt": "^2.2.8",
 		"simple-git": "^2.31.0",
-		"socket.io": "^3.0.4",
+		"socket.io": "^3.0.5",
 		"valid-url": "^1.0.9"
 	},
 	"_moduleAliases": {