delete some early debug UI code

0023-on.keychord_press

@@ -88,12 +88,6 @@ on.keychord_press = function(chord, key)
 		elseif chord == 'S-right' then
 			Viewport.x = Viewport.x + App.screen.width/Viewport.zoom
 			B()
-		elseif chord == 'M-1' then
-			if Debug_draw_fn ~= draw_debug_ui1 then
-				Debug_draw_fn = draw_debug_ui1
-			else
-				Debug_draw_fn = nil
-			end
 		end
 	end
-end
+end

0026-on.draw

@@ -34,7 +34,4 @@ on.draw = function()
 	draw_test_failure_indicator()
 	draw_ticks()
 	draw_menu_bar()
-	if Debug_draw_fn then
-		Debug_draw_fn()
-	end
-end
+end

0113-draw_debug_ui1

@@ -1,8 +0,0 @@
-draw_debug_ui1 = function()
-	local x, y =  App.screen.width/3, App.screen.height/3
-	local w, h = App.screen.width/3, App.screen.height/3
-	App.color{r=1, g=1, b=1}
-	love.graphics.rectangle('fill', x,y, w, h)
-	App.color{r=0, g=0, b=0}
-	love.graphics.rectangle('line', x+10, y+10, w-20, h-20, 5,5)
-end

0114-Debug_draw_fn

@@ -1 +0,0 @@
-Debug_draw_fn = nil