Revert "Use method="post"."

This reverts commit 3f2e0288ca.

lib/capybara/spec/test_app.rb

@@ -40,10 +40,6 @@ class TestApp < Sinatra::Base
     "Current host is #{request.scheme}://#{request.host}:#{request.port}"
   end
 
-  post '/host' do
-    "Current host is #{request.scheme}://#{request.host}:#{request.port}"
-  end
-
   get '/redirect/:times/times' do
     times = params[:times].to_i
     if times.zero?

lib/capybara/spec/views/host_links.erb

@@ -3,10 +3,10 @@
   <a href="<%= params[:absolute_host] %>/host">Absolute Host</a>
 </p>
 
-<form action="/host" method="post">
+<form action="/host">
   <p><input type="submit" value="Relative Host"/></p>
 </form>
 
-<form action="<%= params[:absolute_host] %>/host" method="post">
+<form action="<%= params[:absolute_host] %>/host">
   <p><input type="submit" value="Absolute Host"/></p>
 </form>