Remove dead public instance [skip ci]

whooglesearch.ml has apparently been broken for several weeks now, so
it's been removed from the readme and the instances list.

Closes #874

README.md

@@ -589,7 +589,6 @@ A lot of the app currently piggybacks on Google's existing support for fetching
 | [https://search.garudalinux.org](https://search.garudalinux.org) | 🇫🇮 FI | Multi-choice | ✅ |
 | [https://search.dr460nf1r3.org](https://search.dr460nf1r3.org) | 🇩🇪 DE | Multi-choice | ✅ |
 | [https://s.tokhmi.xyz](https://s.tokhmi.xyz) | 🇺🇸 US | Multi-choice | ✅ |
-| [https://www.whooglesearch.ml](https://www.whooglesearch.ml) | 🇺🇸 US | English | |
 | [https://search.sethforprivacy.com](https://search.sethforprivacy.com) | 🇩🇪 DE | English | |
 | [https://whoogle.dcs0.hu](https://whoogle.dcs0.hu) | 🇭🇺 HU | Multi-choice | |
 | [https://whoogle.esmailelbob.xyz](https://whoogle.esmailelbob.xyz) | 🇨🇦 CA | Multi-choice | |

misc/instances.txt

@@ -1,12 +1,10 @@
-https://gowogle.voring.me
-https://s.tokhmi.xyz
 https://search.albony.xyz
 https://search.garudalinux.org
 https://search.dr460nf1r3.org
+https://s.tokhmi.xyz
 https://search.sethforprivacy.com
-https://whoogle.fossho.st
-https://www.whooglesearch.ml
 https://whoogle.dcs0.hu
 https://whoogle.esmailelbob.xyz
-https://whoogle.lunar.icu
+https://gowogle.voring.me
 https://whoogle.privacydev.net
+https://wg.vern.cc