AP_Scripting: added get_rpy_srate binding

and remove dmod binding

libraries/AP_Scripting/docs/docs.lua

@@ -1963,11 +1963,11 @@ function ahrs:get_roll() end
 ---@class AC_AttitudeControl
 AC_AttitudeControl = {}
 
--- return PD modifier for VTOL controller
----@return number -- roll PDmod
----@return number -- pitch PDmod
----@return number -- yaw PDmod
-function AC_AttitudeControl:get_rpy_PDmod() end
+-- return slew rates for VTOL controller
+---@return number -- roll slew rate
+---@return number -- pitch slew rate
+---@return number -- yaw slew rate
+function AC_AttitudeControl:get_rpy_srate() end
 
 -- desc
 ---@class follow

libraries/AP_Scripting/generator/description/bindings.desc

@@ -509,5 +509,4 @@ singleton AP_Follow method get_target_heading_deg boolean float'Null
 
 include AC_AttitudeControl/AC_AttitudeControl.h depends APM_BUILD_TYPE(APM_BUILD_ArduPlane)||APM_BUILD_COPTER_OR_HELI
 singleton AC_AttitudeControl depends APM_BUILD_TYPE(APM_BUILD_ArduPlane)||APM_BUILD_COPTER_OR_HELI
-singleton AC_AttitudeControl method get_rpy_PDmod void float'Ref float'Ref float'Ref
-
+singleton AC_AttitudeControl method get_rpy_srate void float'Ref float'Ref float'Ref