Move external video player option handling to SessionController::openDocument

Telegram/SourceFiles/data/data_document_resolver.cpp

@@ -7,7 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "data/data_document_resolver.h"
 
-#include "base/options.h"
 #include "base/platform/base_platform_info.h"
 #include "boxes/abstract_box.h" // Ui::show().
 #include "chat_helpers/ttl_media_layer_widget.h"
@@ -39,13 +38,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Data {
 namespace {
 
-base::options::toggle OptionExternalVideoPlayer({
-	.id = kOptionExternalVideoPlayer,
-	.name = "External video player",
-	.description = "Use system video player instead of the internal one. "
-		"This disabes video playback in messages.",
-});
-
 void ConfirmDontWarnBox(
 		not_null<Ui::GenericBox*> box,
 		rpl::producer<TextWithEntities> &&text,
@@ -153,8 +145,6 @@ void LaunchWithWarning(
 
 } // namespace
 
-const char kOptionExternalVideoPlayer[] = "external-video-player";
-
 base::binary_guard ReadBackgroundImageAsync(
 		not_null<Data::DocumentMedia*> media,
 		FnMut<QImage(QImage)> postprocess,
@@ -199,11 +189,7 @@ void ResolveDocument(
 	const auto msgId = item ? item->fullId() : FullMsgId();
 
 	const auto showDocument = [&] {
-		if (OptionExternalVideoPlayer.value()
-			&& document->isVideoFile()
-			&& !document->filepath().isEmpty()) {
-			File::Launch(document->location(false).fname);
-		} else if (controller) {
+		if (controller) {
 			controller->openDocument(
 				document,
 				true,