remove unused code.

src/main/java/cn/quantgroup/xyqb/function/NonArgFunction.java

-package cn.quantgroup.xyqb.function;
-
-/**
- * Created by Miraculous on 2016/12/29.
- */
-public interface NonArgFunction {
-    void apply();
-}

src/main/java/cn/quantgroup/xyqb/function/OneArgFunction.java

-package cn.quantgroup.xyqb.function;
-
-/**
- * Created by Miraculous on 2016/12/29.
- */
-public interface OneArgFunction<S> {
-
-    void apply(S t);
-
-}