移除Zframework，准备使用submodule

Zframework/test.lua

@@ -1,12 +0,0 @@
-local TEST={}
-
---Wait for the scene swapping animation to finish
-function TEST.yieldUntilNextScene()
-    while SCN.swapping do YIELD()end
-end
-
-function TEST.yieldN(frames)
-    for _=1,frames do YIELD()end
-end
-
-return TEST