Remove setImmediate

package.json

@@ -38,9 +38,6 @@
         "node-pre-gyp": "~0.2.5",
         "nan": "~0.8.0"
     },
-    "devDependencies": {
-        "set-immediate": "~0.1.1"
-    },
     "bundledDependencies": [
         "node-pre-gyp"
     ],

test/cache.test.js

-require('set-immediate');
 var sqlite3 = require('..');
 var assert = require('assert');
 var helper = require('./support/helper');
@@ -31,7 +30,7 @@ describe('cache', function() {
         var db1, db2;
         db1 = new sqlite3.cached.Database(filename, function(err) {
             if (err) throw err;
-            setImmediate(function() {
+            process.nextTick(function() {
                 db2 = new sqlite3.cached.Database(filename, function(err) {
                     done();
 

test/profile.test.js

-require('set-immediate');
 var sqlite3 = require('..');
 var assert = require('assert');
 
@@ -32,7 +31,7 @@ describe('profiling', function() {
         assert.ok(!create);
         db.run("CREATE TABLE foo (id int)", function(err) {
             if (err) throw err;
-            setImmediate(function() {
+            process.nextTick(function() {
                 assert.ok(create);
                 done();
             });
@@ -44,7 +43,7 @@ describe('profiling', function() {
         assert.ok(!select);
         db.run("SELECT * FROM foo", function(err) {
             if (err) throw err;
-            setImmediate(function() {
+            process.nextTick(function() {
                 assert.ok(select);
                 done();
             });