remove unneeeded Date#to_time and DateTime#to_time methods

lib/ri_cal/core_extensions/date/conversions.rb

@@ -38,20 +38,6 @@ def to_date
  self
  end if RUBY_VERSION < '1.9'
 
- # Converts a Date instance to a Time, where the time is set to the beginning of the day.
- # The timezone can be either :local or :utc (default :local).
- #
- # ==== Examples
- # date = Date.new(2007, 11, 10) # => Sat, 10 Nov 2007
- #
- # date.to_time # => Sat Nov 10 00:00:00 0800 2007
- # date.to_time(:local) # => Sat Nov 10 00:00:00 0800 2007
- #
- # date.to_time(:utc) # => Sat Nov 10 00:00:00 UTC 2007
- def to_time(form = :local)
- ::Time.send("#{form}_time", year, month, day)
- end
-
  # Converts a Date instance to a DateTime, where the time is set to the beginning of the day
  # and UTC offset is set to 0.
  #

lib/ri_cal/core_extensions/date_time/conversions.rb

@@ -38,12 +38,6 @@ def to_date
  ::Date.new(year, month, day)
  end
 
- # Attempts to convert self to a Ruby Time object; returns self if out of range of Ruby Time class
- # If self has an offset other than 0, self will just be returned unaltered, since there's no clean way to map it to a Time
- def to_time
- self.offset == 0 ? ::Time.utc_time(year, month, day, hour, min, sec) : self
- end
-
  # To be able to keep Times, Dates and DateTimes interchangeable on conversions
  def to_datetime
  self