[optimize]删除多余测试文件

test_div_optimization.sy

@@ -1,9 +0,0 @@
-int main() {
-    int a = 100;
-    int b = a / 4;
-    int c = a / 8;
-    int d = a / 16;
-    int e = a / 7;
-    int f = a / 3;
-    return b + c + d + e;
-}