Update Gemfile.lock

Executing `bundle install` makes git-diff in the file on my VM.
It reverts changes that were made in bbbc861
to the file.

Sorry for this noise. I just want to figure out whether it is something unique
with my VM's environment or those changes were made accidentally?
/cc @kamipo

Gemfile.lock

@@ -221,9 +221,6 @@ GEM
       tzinfo
     event_emitter (0.2.6)
     eventmachine (1.2.7)
-    eventmachine (1.2.7-java)
-    eventmachine (1.2.7-x64-mingw32)
-    eventmachine (1.2.7-x86-mingw32)
     execjs (2.7.0)
     faraday (1.3.0)
       faraday-net_http (~> 1.0)
@@ -291,14 +288,12 @@ GEM
     hiredis (0.6.3)
     hiredis (0.6.3-java)
     http_parser.rb (0.6.0)
-    http_parser.rb (0.6.0-java)
     httpclient (2.8.3)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     image_processing (1.12.1)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    jar-dependencies (0.4.1)
     jdbc-mysql (5.1.47)
     jdbc-postgres (42.2.14)
     jdbc-sqlite3 (3.28.0)
@@ -310,7 +305,6 @@ GEM
       mustache
       nokogiri
     libxml-ruby (3.2.1)
-    libxml-ruby (3.2.1-x64-mingw32)
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -370,8 +364,6 @@ GEM
     pg (1.2.3-x64-mingw32)
     pg (1.2.3-x86-mingw32)
     psych (3.3.1)
-    psych (3.3.1-java)
-      jar-dependencies (>= 0.1.7)
     public_suffix (4.0.6)
     puma (5.2.2)
       nio4r (~> 2.0)