cleanup: migration file rss_feed

database contains outdated data that's
no longer being used and has inconsistent
timestamps

Author: ankitsmt211

application/src/main/resources/db/V16__Remove_Rss_Invalid_Data.sql

@@ -0,0 +1,5 @@
+DELETE FROM rss_feed
+WHERE url NOT IN (
+                  'https://inside.java/feed.xml',
+                  'https://www.youtube.com/feeds/videos.xml?playlist_id=UUSHmRtPmgnQ04CMUpSUqPfhxQ'
+    );