Remove dead URL rule

It was too flaky: #107 (comment)

Author: sindresorhus

config.js

@@ -52,7 +52,7 @@ exports.plugins = [
 	// Third-party plugins
 	// Disabled as it throws `file.warn is not a function`
 	// require('remark-lint-no-empty-sections'),
-	require('remark-lint-no-dead-urls'),
+
 	require('remark-lint-match-punctuation'),
 	require('remark-lint-no-repeat-punctuation'),
 

package.json

@@ -73,7 +73,6 @@
 		"remark-lint-match-punctuation": "^0.2.0",
 		"remark-lint-no-auto-link-without-protocol": "^1.0.2",
 		"remark-lint-no-blockquote-without-marker": "^2.0.2",
-		"remark-lint-no-dead-urls": "^1.0.0",
 		"remark-lint-no-emphasis-as-heading": "^1.0.2",
 		"remark-lint-no-empty-sections": "^3.0.0",
 		"remark-lint-no-file-name-articles": "^1.0.2",