Remove deprecated "getOptions()" and "lib/cli/options.js" (#3967)

lib/cli/options.js

@@ -15,7 +15,6 @@ const mocharc = require('../mocharc.json');
 const {list} = require('./run-helpers');
 const {loadConfig, findConfig} = require('./config');
 const findUp = require('find-up');
-const {deprecate} = require('../utils');
 const debug = require('debug')('mocha:cli:options');
 const {isNodeFlag} = require('./node-flags');
 
@@ -163,40 +162,6 @@ const parseMochaOpts = content =>
     .filter(Boolean)
     .map(value => value.replace(/%20/g, ' '));
 
-/**
- * Prepends options from run-control file to the command line arguments.
- *
- * @deprecated Deprecated in v6.0.0; This function is no longer used internally and will be removed in a future version.
- * @public
- * @alias module:lib/cli/options
- * @see {@link https://mochajs.org/#mochaopts|mocha.opts}
- */
-module.exports = function getOptions() {
-  deprecate(
-    'getOptions() is DEPRECATED and will be removed from a future version of Mocha.  Use loadOptions() instead'
-  );
-  if (process.argv.length === 3 && ONE_AND_DONE_ARGS.has(process.argv[2])) {
-    return;
-  }
-
-  const optsPath =
-    process.argv.indexOf('--opts') === -1
-      ? mocharc.opts
-      : process.argv[process.argv.indexOf('--opts') + 1];
-
-  try {
-    const options = parseMochaOpts(fs.readFileSync(optsPath, 'utf8'));
-
-    process.argv = process.argv
-      .slice(0, 2)
-      .concat(options.concat(process.argv.slice(2)));
-  } catch (ignore) {
-    // NOTE: should console.error() and throw the error
-  }
-
-  process.env.LOADED_MOCHA_OPTS = true;
-};
-
 /**
  * Given filepath in `args.opts`, attempt to load and parse a `mocha.opts` file.
  * @param {Object} [args] - Arguments object

package.json

@@ -596,7 +596,7 @@
     "watchify": "^3.11.1"
   },
   "files": [
-    "bin/{*mocha,options.js}",
+    "bin/*mocha",
     "assets/growl/*.png",
     "lib/**/*.{js,html,json}",
     "index.js",