Revert^2 "创建推荐模块文件夹"

This reverts commit ca84e17def16bfb2b8132cb57b2329f62a09c515.

Reason for revert: <revert>

Change-Id: Ie10c15bdb27e2076b314e3325ea2bd65f9d1d380
diff --git a/recommend/hello.py b/recommend/hello.py
new file mode 100644
index 0000000..c6d4e16
--- /dev/null
+++ b/recommend/hello.py
@@ -0,0 +1 @@
+print("Hello G10!")