(#7120) - Dont use nextTick in browser builds, and switch to setTimeout

package.json

diff --git a/package.json b/package.json
index 23c8e62..f827b90 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
     "double-ended-queue": "2.1.0-0",
     "fetch-cookie": "0.7.0",
     "fruitdown": "1.0.2",
-    "immediate": "3.0.6",
     "inherits": "2.0.3",
     "level": "3.0.0",
     "level-codec": "7.0.1",
@@ -116,14 +115,12 @@
   },
   "// greenkeeper": [
     "// chai-as-promised is pinned because of breaking changes in 6.0.0",
-    "// immediate is pinned to use the same version as lie for a smaller bundle",
     "// readable-stream has breaking changes in 2.0.0",
     "// stream-to-promise is pinned because there's a breaking change in 2.0.0"
   ],
   "greenkeeper": {
     "ignore": [
       "chai-as-promised",
-      "immediate",
       "readable-stream",
       "stream-to-promise"
     ]

packages/node_modules/pouchdb-find/src/utils.js

diff --git a/packages/node_modules/pouchdb-find/src/utils.js b/packages/node_modules/pouchdb-find/src/utils.js
index 571bfc3..dab8d9e 100644
--- a/packages/node_modules/pouchdb-find/src/utils.js
+++ b/packages/node_modules/pouchdb-find/src/utils.js
@@ -4,6 +4,8 @@
   parseField
 } from 'pouchdb-selector-core';
 
+import { nextTick } from 'pouchdb-utils';
+
 function once(fun) {
   var called = false;
   return getArguments(function (args) {
@@ -38,7 +40,7 @@
       // if it was a callback, create a new callback which calls it,
       // but do so async so we don't trap any errors
       usedCB = function (err, resp) {
-        process.nextTick(function () {
+        nextTick(function () {
           tempCB(err, resp);
         });
       };
@@ -84,11 +86,11 @@
 
 function promisedCallback(promise, callback) {
   promise.then(function (res) {
-    process.nextTick(function () {
+    nextTick(function () {
       callback(null, res);
     });
   }, function (reason) {
-    process.nextTick(function () {
+    nextTick(function () {
       callback(reason);
     });
   });
@@ -230,4 +232,4 @@
   promisedCallback,
   toPromise,
   uniq
-};
\ No newline at end of file
+};

packages/node_modules/pouchdb-utils/src/nextTick-browser.js

diff --git a/packages/node_modules/pouchdb-utils/src/nextTick-browser.js b/packages/node_modules/pouchdb-utils/src/nextTick-browser.js
index 0198297..ed1a04d 100644
--- a/packages/node_modules/pouchdb-utils/src/nextTick-browser.js
+++ b/packages/node_modules/pouchdb-utils/src/nextTick-browser.js
@@ -1,13 +1,3 @@
-// Custom nextTick() shim for browsers. In node, this will just be process.nextTick(). We
-// avoid using process.nextTick() directly because the polyfill is very large and we don't
-// need all of it (see: https://github.com/defunctzombie/node-process).
-// "immediate" 3.0.8 is used by lie, and it's a smaller version of the latest "immediate"
-// package, so it's the one we use.
 // When we use nextTick() in our codebase, we only care about not releasing Zalgo
 // (see: http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony).
-// Microtask vs macrotask doesn't matter to us. So we're free to use the fastest
-// (least latency) option, which is "immediate" due to use of microtasks.
-// All of our nextTicks are isolated to this one function so we can easily swap out one
-// implementation for another.
-import immediate from 'immediate';
-export default immediate;
\ No newline at end of file
+export default setTimeout;