Backward 512 compatibility removal.

code/modules/power/solar.dm

@@ -28,10 +28,8 @@
 /obj/machinery/power/solar/Initialize(mapload, obj/item/solar_assembly/S)
 	. = ..()
 	panel = new()
-#if DM_VERSION >= 513
 	panel.vis_flags = VIS_INHERIT_ID|VIS_INHERIT_ICON|VIS_INHERIT_PLANE
 	vis_contents += panel
-#endif
 	panel.icon = icon
 	panel.icon_state = "solar_panel"
 	panel.layer = FLY_LAYER
@@ -170,7 +168,7 @@
 	else
 		//dot product of sun and panel -- Lambert's Cosine Law
 		. = cos(azimuth_current - sun_azimuth)
-		. = CLAMP(round(., 0.01), 0, 1)
+		. = clamp(round(., 0.01), 0, 1)
 	sunfrac = .
 
 /obj/machinery/power/solar/process()
@@ -385,7 +383,7 @@
 		if(adjust)
 			value = azimuth_rate + adjust
 		if(value != null)
-			azimuth_rate = round(CLAMP(value, -2 * SSsun.base_rotation, 2 * SSsun.base_rotation), 0.01)
+			azimuth_rate = round(clamp(value, -2 * SSsun.base_rotation, 2 * SSsun.base_rotation), 0.01)
 			return TRUE
 		return FALSE
 	if(action == "tracking")
@@ -464,7 +462,7 @@
 
 ///Rotates the panel to the passed angles
 /obj/machinery/power/solar_control/proc/set_panels(azimuth)
-	azimuth = CLAMP(round(azimuth, 0.01), -360, 719.99)
+	azimuth = clamp(round(azimuth, 0.01), -360, 719.99)
 	if(azimuth >= 360)
 		azimuth -= 360
 	if(azimuth < 0)