remove gem sqlite3

Gemfile

@@ -3,8 +3,7 @@ source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.0'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets

Gemfile.lock

@@ -239,7 +239,6 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
-    sqlite3 (1.3.10)
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
@@ -303,11 +302,7 @@ DEPENDENCIES
   shoulda-matchers
   simplecov
   spring
-  sqlite3
   turbolinks
   uglifier (>= 1.3.0)
   web-console (~> 2.0)
   webmock
-
-BUNDLED WITH
-   1.10.4