code gardening: removes redundant selfs

A few have been left for aesthetic reasons, but have made a pass
and removed most of them.

Note that if the method `foo` returns an array, `foo << 1`
is a regular push, nothing to do with assignments, so
no self required.

1 files changed, 2 insertions, 2 deletions

diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb
index b1be84a096..7b1cbba7fa 100644
--- a/activesupport/lib/active_support/inflector/inflections.rb
+++ b/activesupport/lib/active_support/inflector/inflections.rb
@@ -43,8 +43,8 @@ module ActiveSupport
         end
 
         def add(words)
-          self.concat(words.flatten.map(&:downcase))
-          @regex_array += self.map {|word|  to_regex(word) }
+          concat(words.flatten.map(&:downcase))
+          @regex_array += map {|word| to_regex(word) }
           self
         end