remove Ractor#take

[Feature #21262]

Author: ko1

bootstraptest/test_ractor.rb

@@ -2327,22 +2327,6 @@ def initialize(a)
   }.tally.sort
 }
 
-# Ractor#take will warn for compatibility.
-# This method will be removed after 2025/09/01
-assert_equal "2", %q{
-  raise "remove Ractor#take and this test" if Time.now > Time.new(2025, 9, 2)
-  $VERBOSE = true
-  r = Ractor.new{42}
-  $msg = []
-  def Warning.warn(msg)
-    $msg << msg
-  end
-  r.take
-  r.take
-  raise unless $msg.all?{/Ractor#take/ =~ it}
-  $msg.size
-}
-
 # Cause lots of inline CC misses.
 assert_equal 'ok', <<~'RUBY'
   class A; def test; 1 + 1; end; end

ractor.rb

@@ -575,12 +575,6 @@ def value
     __builtin_ractor_value
   end
 
-  # keep it for compatibility
-  def take
-    Kernel.warn("Ractor#take was deprecated and use Ractor#value instead. This method will be removed after the end of Aug 2025", uplevel: 0)
-    self.value
-  end
-
   #
   # call-seq:
   #    ractor.monitor(port) -> self