Revert "Adding Attachment#geometry to get file's dimension"

It's not working correctly as expected, so let's revert this for now.

This reverts commit 51bb0f9f.

lib/paperclip/attachment.rb

@@ -319,11 +319,6 @@ module Paperclip
       instance.send(getter) if responds || attr.to_s == "file_name"
     end
 
-    # Returns a geometry object which you can get the image's dimension.
-    def geometry(style = :original)
-      Geometry.from_file(path(style))
-    end
-
     private
 
     def path_option

lib/paperclip/geometry.rb

@@ -11,11 +11,6 @@ module Paperclip
       @modifier = modifier
     end
 
-    # Returns the equality based on height, width, and modifier
-    def ==(other)
-      height == other.height && width == other.width && modifier == other.modifier
-    end
-
     # Uses ImageMagick to determing the dimensions of a file, passed in as either a
     # File or path.
     # NOTE: (race cond) Do not reassign the 'file' variable inside this method as it is likely to be

test/attachment_test.rb

@@ -1158,19 +1158,4 @@ class AttachmentTest < Test::Unit::TestCase
     end
   end
 
-  context "attachment's geometry" do
-    setup do
-      rebuild_model
-      @dummy = Dummy.new
-      @file = File.new(File.join(File.dirname(__FILE__), "fixtures", "5k.png"), 'rb')
-      @dummy.avatar = @file
-      @dummy.save!
-      @attachment = @dummy.avatar
-      @geometry = Paperclip::Geometry.from_file(@file.path)
-    end
-
-    should "return a correct geometry object" do
-      assert_equal @geometry, @attachment.geometry
-    end
-  end
 end