undo adding String#camelize, turns out ActiveSupport is a mandatory dependency and camelize was included there

ch1ago · ch1ago · commit 0776bf526e79 · 2016-05-21T16:50:13.000-03:00
diff --git a/lib/oauth/core_ext.rb b/lib/oauth/core_ext.rb
@@ -13,11 +13,6 @@ def tap
 
 class String
 
-  def camelize
-    a,b = self[0], self[1..-1]
-    [a.upcase, b].join
-  end
-
   unless method_defined?(:bytesize)
     def bytesize
       self.size
