Remove deprecated speed functions

lib/Selenium/Remote/Driver.pm

@@ -1658,36 +1658,6 @@ sub switch_to_window {
     return $self->_execute_command( $res, $params );
 }
 
-=head2 get_speed
-
- Description:
-    DEPRECATED - this function is a no-op in Webdriver, and will be
-    removed in the upcoming version of this module. See
-    https://groups.google.com/d/topic/selenium-users/oX0ZnYFPuSA/discussion
-    and
-    http://code.google.com/p/selenium/source/browse/trunk/java/client/src/org/openqa/selenium/WebDriverCommandProcessor.java
-
-=cut
-
-sub get_speed {
-    carp 'get_speed is deprecated and will be removed in the upcoming version of this module';
-}
-
-=head2 set_speed
-
- Description:
-    DEPRECATED - this function is a no-op in Webdriver, and will be
-    removed in the upcoming version of this module. See
-    https://groups.google.com/d/topic/selenium-users/oX0ZnYFPuSA/discussion
-    and
-    http://code.google.com/p/selenium/source/browse/trunk/java/client/src/org/openqa/selenium/WebDriverCommandProcessor.java
-
-=cut
-
-sub set_speed {
-    carp 'set_speed is deprecated and will be removed in the upcoming version of this module';
-}
-
 =head2 set_window_position
 
  Description: