Clean up examples

examples/for_loop.ds

@@ -1,6 +0,0 @@
-list = [1 2 3]
-
-for i in list {
-	i += 1
-	output(i)
-}

examples/list.ds

@@ -1,9 +0,0 @@
-numbers = [1, 2, 3]
-
-x = numbers:0
-y = numbers:1
-z = numbers:2
-
-assert_equal(x + y, z)
-
-numbers

examples/map.ds

@@ -1,11 +0,0 @@
-dictionary = {
-	dust = "awesome"
-	answer = 42
-}
-
-output( 
-	'Dust is '
-	+ dictionary:dust
-	+ '! The answer is ' 
-	+ dictionary:answer
-)