removed signature cache

.gitignore

@@ -6,3 +6,8 @@
 /public/whois/vendor
 /public/np.php
 /public/nothing.php
+/public/signature/cover.png
+/public/signature/cover_url.txt
+/public/signature/np.json
+/public/signature/signature.png
+

public/signature/cover_url.txt

@@ -1 +0,0 @@
-https://lastfm.freetls.fastly.net/i/u/174s/b9f87564f51e402c843e109a7021dc83.png

public/signature/np.json

@@ -1 +0,0 @@
-[{"name":"Death","mbid":"71503577-42ed-465c-a845-2995c4a8b774","url":"https:\/\/www.last.fm\/music\/C418\/_\/Death","date":"1597852617","streamable":"0","artist":{"name":"C418","mbid":"fac55e3c-d459-45ed-9f9f-f5078d3b3423"},"album":{"name":"Minecraft - Volume Alpha","mbid":""},"images":{"small":"https:\/\/lastfm.freetls.fastly.net\/i\/u\/34s\/b9f87564f51e402c843e109a7021dc83.png","medium":"https:\/\/lastfm.freetls.fastly.net\/i\/u\/64s\/b9f87564f51e402c843e109a7021dc83.png","large":"https:\/\/lastfm.freetls.fastly.net\/i\/u\/174s\/b9f87564f51e402c843e109a7021dc83.png"}}]