revert: "fix(hash): correctly place query if placed before hash (#2851)"

This reverts commit b7715dc.
Closes #2876

Author: posva

src/history/hash.js

@@ -135,14 +135,9 @@ export function getHash (): string {
 
 function getUrl (path) {
   const href = window.location.href
-  const hashPos = href.indexOf('#')
-  let base = hashPos > -1 ? href.slice(0, hashPos) : href
-
-  const searchPos = base.indexOf('?')
-  const query = searchPos > -1 ? base.slice(searchPos) : ''
-  base = query ? base.slice(0, searchPos) : base
-
-  return `${base}#${path + query}`
+  const i = href.indexOf('#')
+  const base = i >= 0 ? href.slice(0, i) : href
+  return `${base}#${path}`
 }
 
 function pushHash (path) {

test/e2e/specs/hash-mode.js

@@ -57,18 +57,6 @@ module.exports = {
       .waitForElementVisible('#app', 1000)
       .assert.containsText('.view', 'unicode: ñ')
       .assert.containsText('#query-t', '%')
-
-      // correctly placing query
-      // https://github.com/vuejs/vue-router/issues/2125
-      .url('http://localhost:8080/hash-mode/?key=foo')
-      .waitForElementVisible('#app', 1000)
-      .assert.urlEquals('http://localhost:8080/hash-mode/#/?key=foo')
-      .url('http://localhost:8080/hash-mode?key=foo')
-      .waitForElementVisible('#app', 1000)
-      .assert.urlEquals('http://localhost:8080/hash-mode/#/?key=foo')
-      .url('http://localhost:8080/hash-mode?key=foo#other')
-      .waitForElementVisible('#app', 1000)
-      .assert.urlEquals('http://localhost:8080/hash-mode/#/other?key=foo')
       .end()
   }
 }