remove example

examples/private.code

@@ -1,13 +0,0 @@
-// only using sub, no need to flatten
-def main(x):
-  a = 5
-  b = 7
-  c = if a == b then 4 else 3 fi
-  c == 3
-  d = if a == 5 then 1 else 2 fi
-  d == 1
-  e = if a < b then 5 else 6 fi
-  e == 5
-  f = if b < a then 7 else 8 fi
-  f == 8
-  return x

out.code

@@ -0,0 +1,3 @@
+def main(private a,c,private b):
+	c == (a * b)
+	return 1