[RSS] Replace scipy KDTree with Euclidean distance (#245)

* Replace scipy KDTree with Euclidean distance

* fixed star expression and missing import

* Version number

Co-authored-by: aikaterna <20862007+aikaterna@users.noreply.github.com>

rss/info.json

@@ -5,6 +5,6 @@
     "description": "Read RSS feeds",
     "tags": ["rss"],
     "permissions": ["embed_links"],
-    "requirements": ["bs4", "feedparser>=6.0.0", "scipy", "webcolors==1.3"],
+    "requirements": ["bs4", "feedparser>=6.0.0", "webcolors==1.3"],
     "min_bot_version" : "3.4.0"
 }