Remove incorrect feature flag (#8086)

And document the versions that introduced the features.

builtin/game/features.lua

@@ -3,7 +3,6 @@
 core.features = {
 	glasslike_framed = true,
 	nodebox_as_selectionbox = true,
-	chat_send_player_param3 = true,
 	get_all_craft_recipes_works = true,
 	use_texture_alpha = true,
 	no_legacy_abms = true,

doc/lua_api.txt

@@ -3400,27 +3400,28 @@ Utilities
 * `minetest.features`: Table containing API feature flags
 
       {
-          glasslike_framed = true,
-          nodebox_as_selectionbox = true,
-          chat_send_player_param3 = true,
-          get_all_craft_recipes_works = true,
+          glasslike_framed = true,  -- 0.4.7
+          nodebox_as_selectionbox = true,  -- 0.4.7
+          get_all_craft_recipes_works = true,  -- 0.4.7
           -- The transparency channel of textures can optionally be used on
-          -- nodes
+          -- nodes (0.4.7)
           use_texture_alpha = true,
-          -- Tree and grass ABMs are no longer done from C++
+          -- Tree and grass ABMs are no longer done from C++ (0.4.8)
           no_legacy_abms = true,
-          -- Texture grouping is possible using parentheses
+          -- Texture grouping is possible using parentheses (0.4.11)
           texture_names_parens = true,
-          -- Unique Area ID for AreaStore:insert_area
+          -- Unique Area ID for AreaStore:insert_area (0.4.14)
           area_store_custom_ids = true,
           -- add_entity supports passing initial staticdata to on_activate
+          -- (0.4.16)
           add_entity_with_staticdata = true,
-          -- Chat messages are no longer predicted
+          -- Chat messages are no longer predicted (0.4.16)
           no_chat_message_prediction = true,
           -- The transparency channel of textures can optionally be used on
-          -- objects (ie: players and lua entities)
+          -- objects (ie: players and lua entities) (5.0)
           object_use_texture_alpha = true,
           -- Object selectionbox is settable independently from collisionbox
+          -- (5.0)
           object_independent_selectionbox = true,
       }