Delete outdated stryker config file

stryker.conf.js

@@ -1,32 +0,0 @@
-const jestConfig = require(`${__dirname}/jest.config.js`);
-
-module.exports = {
-  mutate: jestConfig.collectCoverageFrom,
-  checkers: [ 'typescript' ],
-  tsconfigFile: 'tsconfig.json',
-  testRunner: 'jest',
-  reporters: [ 'progress', 'clear-text' ],
-  ignorePatterns: [
-    'coverage',
-    'reports',
-    'build',
-    'dist',
-    'home',
-    'scripts',
-    'docker-compose.*',
-    'public/servers.json*',
-  ],
-  jest: {
-    projectType: 'custom',
-    config: jestConfig,
-    enableFindRelatedTests: true,
-  },
-  thresholds: {
-    high: 80,
-    low: 60,
-    break: null,
-  },
-  clearTextReporter: {
-    logTests: false,
-  },
-};