Removed libtgvoip submodule

Author: FrayxRulez

.gitmodules

@@ -1,9 +1,6 @@
 [submodule "Unigram/Unigram.Core/Unidecode/UpdateScript/unidecode"]
 	path = Unigram/Unigram.Core/Unidecode/UpdateScript/unidecode
 	url = https://www.tablix.org/~avian/git/unidecode.git
-[submodule "Unigram/Libraries/libtgvoip"]
-	path = Unigram/Libraries/libtgvoip
-	url = https://github.com/UnigramDev/libtgvoip.git
 [submodule "Unigram/Unigram.Infrastructure"]
 	path = Unigram/Unigram.Infrastructure
 	url = https://github.com/FrayxRulez/Unigram.Infrastructure.git