I made a custom patch but i don't know why lucky patcher can't see it, i tried to copy it on CustomPatches folder, also i tried renaming it as an existing patch file and i tried on LuckyPatcher root folder, all this was useless. 

here is the patch text:

[BEGIN]

Patch by Skorpion96

Run this patch to remove website2apk warning about using an unauthorised version of their software

[PACKAGE]

com.goyal.website2apk

[CLASSES]

com/goyal/website2apk/MainActivity$e.smali

{"search":"invoke-virtual {v0, v1, v2, v3}, Lcom/goyal/website2apk/MainActivity;->B0(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"}

{"original":"invoke-virtual {v0, v1, v2, v3}, Lcom/goyal/website2apk/MainActivity;->B0(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"}

{"replaced":""}

[END]

Congratulations! You have cracked Program!

You can now edit the app at free will, for example you can change package name.

Good Luck!

Skorpion96