Revert "创建推荐模块文件夹"

This reverts commit a7caae00ecdad9516417e70faf0e9adbc38779c5.

Reason for revert: <lack of novalty>

Change-Id: Icd3c1e9637a504facd300957038e1fd52e8f63b5
diff --git a/recommend/hello.py b/recommend/hello.py
deleted file mode 100644
index c6d4e16..0000000
--- a/recommend/hello.py
+++ /dev/null
@@ -1 +0,0 @@
-print("Hello G10!")