Remove import-local

We no longer expect AVA to be installed globally. import-local was
written for CJS and is unlikely to be compatible with modern Node.js
packages.

Author: novemberborn

cli.js

@@ -1,11 +1,3 @@
 #!/usr/bin/env node
 'use strict';
-const debug = require('debug')('ava');
-const importLocal = require('import-local');
-
-// Prefer the local installation of AVA
-if (importLocal(__filename)) {
-	debug('Using local install of AVA');
-} else {
-	require('./lib/cli').run();
-}
+require('./lib/cli').run();

package-lock.json

@@ -87,7 +87,6 @@
 		"figures": "^3.2.0",
 		"globby": "^11.0.2",
 		"ignore-by-default": "^2.0.0",
-		"import-local": "^3.0.2",
 		"indent-string": "^4.0.0",
 		"is-error": "^2.2.2",
 		"is-plain-object": "^5.0.0",

package.json

@@ -66,19 +66,6 @@ test('should warn ava is required without the cli', t => {
 	});
 });
 
-test('prefers local version of ava', t => {
-	execCli('', {
-		dirname: 'fixture/local-bin',
-		env: {
-			DEBUG: 'ava'
-		}
-	}, (err, stdout, stderr) => {
-		t.ifError(err);
-		t.match(stderr, 'Using local install of AVA');
-		t.end();
-	});
-});
-
 test('workers ensure test files load the same version of ava', t => {
 	const target = path.join(__dirname, '..', 'fixture', 'ava-paths', 'target');