Revert Ruby version changes from search bar PR (pytorch#135)

JoelMarcey · web-flow · commit ced4c9363ade · 2018-12-06T19:29:28.000-08:00
This was breaking the CircleCI push. We should be more flexible with
our Ruby version; but not now. Let's wait until after the 1.0 launch
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-2.5.3
+2.5.1
diff --git a/Gemfile b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-ruby "2.5.3"
+ruby "2.5.1"
 
 group :jekyll_plugins do
   gem "github-pages"
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -253,7 +253,7 @@ DEPENDENCIES
   jekyll-paginate-v2
 
 RUBY VERSION
-   ruby 2.5.3p105
+   ruby 2.5.1p57
 
 BUNDLED WITH
-   1.17.1
+   1.16.3
