kotatogram-desktop: move protobuf dependency from tg_owt to kotatogram-desktop

That's where it's really used

pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/default.nix

@@ -18,6 +18,7 @@
 , lz4
 , xxHash
 , ffmpeg
+, protobuf
 , openalSoft
 , minizip
 , libopus
@@ -108,6 +109,7 @@ stdenv.mkDerivation rec {
     microsoft-gsl
     boost
   ] ++ lib.optionals stdenv.hostPlatform.isLinux [
+    protobuf
     qtwayland
     kcoreaddons
     alsa-lib

pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/tg_owt.nix

@@ -10,7 +10,6 @@
 , openssl
 , libopus
 , ffmpeg
-, protobuf
 , openh264
 , crc32c
 , libvpx
@@ -72,7 +71,6 @@ stdenv.mkDerivation {
     openssl
     libopus
     ffmpeg
-    protobuf
     openh264
     crc32c
     libvpx