[world conquest] fix remaining deprecated code usage

1. Fixed an un-added entry in the changelog
2. fixed the last 2 deprecation messages
3. removed instances of `wml.parsed` as it is no longer required.

data/campaigns/World_Conquest/changelog.txt

@@ -34,7 +34,6 @@ email=#####
 - fixed some instances of deprecated Lua
 - re-added Dunefolk in selection
 - re-enabled "The Empire" faction in World Conquest MP Era
-- slightly reduced the overall difficulty (100% --> 75%)
 - update changelog
 
 0.8.2:

data/campaigns/World_Conquest/lua/game_mechanics/effects.lua

@@ -66,12 +66,12 @@ end
 -- Like apply_to=resistance with replace=true, but never decreases resistances.
 function wesnoth.effects.wc2_min_resistance(u, cfg)
 	local resistance_new = {}
-	local resistance_old = wml.parsed(wml.get_child(cfg, "resistance"))
+	local resistance_old = wml.get_child(cfg, "resistance")
 	local unit_resistance_cfg = nil
 	for k,v in pairs(resistance_old) do
 		if type(k) == "string" and type(v) == "number" then
 			if not unit_resistance_cfg then
-				unit_resistance_cfg = wml.parsed(wml.get_child(u.__cfg, "resistance"))
+				unit_resistance_cfg = wml.get_child(u.__cfg, "resistance")
 			end
 			if unit_resistance_cfg[k] >= v then
 				resistance_new[k] = v
@@ -91,7 +91,7 @@ end
 -- Like apply_to=defense with replace=true, but never decreases defense.
 function wesnoth.effects.wc2_min_defense(u, cfg)
 	local defense_new = {}
-	local defense_old = wml.parsed(wml.get_child(cfg, "defense"))
+	local defense_old = wml.get_child(cfg, "defense")
 	for k,v in pairs(defense_old) do
 		if type(k) == "string" and type(v) == "number" and wesnoth.unit_defense(u, terrain_map[k] or "") >= v then
 			defense_new[k] = v

data/campaigns/World_Conquest/lua/map/postgeneration/6D_Feudal.lua

@@ -133,15 +133,15 @@ local function world_conquest_tek_map_repaint_6d()
 		}
 	else
 		-- this is faster.
-		local r8_Re = map:get_tiles_radius(
+		local r8_Re = map:find_in_radius(
 			map:find(f.terrain("Re")),
-			wesnoth.map.filter(f.all()),
-			8
+			8,
+			wesnoth.map.filter(f.all())
 		)
-		local r6_Khs = map:get_tiles_radius(
+		local r6_Khs = map:find_in_radius(
 			map:find(f.terrain("Khs")),
-			wesnoth.map.filter(f.all()),
-			6
+			6,
+			wesnoth.map.filter(f.all())
 		)
 		set_terrain { "Chs",
 			f.all(

data/campaigns/World_Conquest/lua/map/postgeneration_utils/engine.lua

@@ -76,7 +76,7 @@ function set_terrain_impl(data)
 end
 
 function set_terrain_simul(cfg)
-	cfg = wml.parsed(cfg)
+	cfg = cfg
 	local data = {}
 	for i, r in ipairs(cfg) do
 		r_new = {

data/campaigns/World_Conquest/lua/map/postgeneration_utils/events.lua

@@ -111,8 +111,8 @@ function wct_castle_expansion_side(side_num)
 	if keep_loc == nil then
 		return
 	end
-	local castle = map:get_tiles_radius({keep_loc}, wesnoth.map.filter(f.terrain("C*,K*")), 1)
-	local keep_area = map:get_tiles_radius({keep_loc}, wesnoth.map.filter(f.all()), 2)
+	local castle = map:find_in_radius({keep_loc}, 1, wesnoth.map.filter(f.terrain("C*,K*")))
+	local keep_area = map:find_in_radius({keep_loc}, 2, wesnoth.map.filter(f.all()))
 
 	local candidates = get_locations {
 		filter = f.all(
@@ -171,5 +171,5 @@ function get_oceanic()
 		--ignore rivers
 		f.adjacent(f.terrain("!,W*^*,S*^*,D*^*,Ai"), nil, "0-3")
 	))
-	return map:get_tiles_radius(water_border_tiles, filter_radius, 999)
+	return map:find_in_radius(water_border_tiles, 999, filter_radius)
 end

data/campaigns/World_Conquest/lua/map/postgeneration_utils/noise.lua

@@ -4,7 +4,7 @@ function world_conquest_tek_map_noise_proxy(radius, fraction, terrain)
 	helper.shuffle(terrain_to_change)
 	for terrain_i = 1, math.ceil(#terrain_to_change / fraction) do
 		local loc_a = terrain_to_change[terrain_i]
-		local terrain_to_swap_b = map:get_tiles_radius({loc_a}, nop_filter, radius)
+		local terrain_to_swap_b = map:find_in_radius({loc_a}, radius, nop_filter)
 		
 		terrain_to_swap_b  = map:find(f.all(
 			f.none(f.is_loc(loc_a)),