Remove deprecated `Proc#bind` with no replacement.

activesupport/CHANGELOG.md

+*   Remove deprecated `Proc#bind` with no replacement.
+
+    *Carlos Antonio da Silva*
+
 *   Remove deprecated `Array#uniq_by` and `Array#uniq_by!`, use native
     `Array#uniq` and `Array#uniq!` instead.
 

activesupport/lib/active_support/core_ext/proc.rb

-require "active_support/core_ext/kernel/singleton_class"
-require "active_support/deprecation"
-
-class Proc #:nodoc:
-  def bind(object)
-    ActiveSupport::Deprecation.warn 'Proc#bind is deprecated and will be removed in future versions'
-
-    block, time = self, Time.now
-    object.class_eval do
-      method_name = "__bind_#{time.to_i}_#{time.usec}"
-      define_method(method_name, &block)
-      method = instance_method(method_name)
-      remove_method(method_name)
-      method
-    end.bind(object)
-  end
-end

activesupport/lib/active_support/rescuable.rb

 require 'active_support/concern'
 require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/proc'
 require 'active_support/core_ext/string/inflections'
 require 'active_support/core_ext/array/extract_options'
 

activesupport/test/core_ext/proc_test.rb

-require 'abstract_unit'
-require 'active_support/core_ext/proc'
-
-class ProcTests < ActiveSupport::TestCase
-  def test_bind_returns_method_with_changed_self
-    assert_deprecated do
-      block = Proc.new { self }
-      assert_equal self, block.call
-      bound_block = block.bind("hello")
-      assert_not_equal block, bound_block
-      assert_equal "hello", bound_block.call
-    end
-  end
-end