Remove crypto require

Breaks compilation in browsers, and is not needed anyway.

Author: knubie

README.md

@@ -2,6 +2,7 @@ PouchDB Quick Search
 =====
 
 Fork notes:
+- Applies https://github.com/leonid-shevtsov/pouchdb-quick-search/commit/9bf91d656a5f9c93ba62beb52831d60b650e1731 Remove crypto dependency
 - Applies pouchdb-community/pouchdb-quick-search#99 Change md5 dependency
 - Applies pouchdb-community/pouchdb-quick-search#85 check for pouchdb through global variable
 - Applies pouchdb-community/pouchdb-quick-search#90 Add lunr.js options when building the index

lib/pouch-utils.js

@@ -76,14 +76,5 @@ exports.toPromise = function (func) {
 exports.inherits = require('inherits');
 exports.Promise = Promise;
 
-var crypto = require('crypto');
-var md5 = require('md5');
-exports.MD5 = function (string) {
-  /* istanbul ignore if */
-  if (process.browser) {
-    return md5(string);
-  }
-  return crypto.createHash('md5').update(string).digest('hex');
-};
-
+exports.MD5 = require("md5");
 exports.extend = require('pouchdb-extend');