sepc out TVG Binary feature

removed TVG related utilities

issue: #2721

index.html

@@ -36,8 +36,8 @@
 	<section>
 		<div id="image-area">
 			<lottie-player class="hidden" autoPlay loop></lottie-player>
-			<div id="image-placeholder">Drop a file here or click to browse (.tvg, .svg, .json, .jpg, .png, .webp)<br/><small>ThorVG Viewer works on your local device. File(s) won't be uploaded to the internet.</small></div>
-			<input id="image-file-selector" type="file" accept=".tvg,.svg,.json,.jpg,.png" multiple>
+			<div id="image-placeholder">Drop a file here or click to browse (.svg, .json, .jpg, .png, .webp)<br/><small>ThorVG Viewer works on your local device. File(s) won't be uploaded to the internet.</small></div>
+			<input id="image-file-selector" type="file" accept=".svg,.json,.jpg,.png" multiple>
 		</div>
 		<div id="console-area" class="hidden">
 			<a id="console-bottom-scroll" title="Scroll to the bottom"><i class="fa fa-chevron-down"></i></a>

main.js

@@ -34,7 +34,6 @@ const ConsoleLogTypes = { None : '', Inner : 'console-type-inner', Error : 'cons
 		if (args[0] && typeof args[0] === 'string') {
 			//slice at the log reset color: "\033[0m"
 			if (filetype === "svg" && args[0].indexOf("SVG") > 0) consoleLog(args[0].slice(args[0].lastIndexOf("") + 4), ConsoleLogTypes.Warning);
-			else if (filetype === "tvg" && args[0].indexOf("TVG") > 0) consoleLog(args[0].slice(args[0].lastIndexOf("") + 4), ConsoleLogTypes.Warning);
 			else if (filetype === "json" && args[0].indexOf("LOTTIE") > 0) consoleLog(args[0].slice(args[0].lastIndexOf("") + 4), ConsoleLogTypes.Warning);
 		}
 		//baseConsole(...args);
@@ -66,18 +65,6 @@ function createTabs() {
 	file.appendChild(createTitleLine("Filename", filename));
 	file.appendChild(createTitleLine("Resolution", sizeText));
 	file.appendChild(createHeader("Export"));
-
-	var lineExportTvg = createPropertyLine("Export .tvg file");
-	lineExportTvg.addEventListener("click", async () => {
-		try {
-			await player.save('tvg');
-		} catch (err) {
-			let message = "Unable to save the TVG data.";
-			consoleLog(message, ConsoleLogTypes.Error);
-			alert(message);
-		}
-	}, false);
-	file.appendChild(lineExportTvg);
 
 	var lineExportPng = createPropertyLine("Export .png file");
 	lineExportPng.addEventListener("click", async () => {
@@ -162,7 +149,7 @@ function openFileBrowse() {
 	document.getElementById('image-file-selector').click();
 }
 
-const allowedExtensionList = ['tvg', 'svg', 'json', 'png', 'jpg', 'jpeg', 'webp'];
+const allowedExtensionList = ['svg', 'json', 'png', 'jpg', 'jpeg', 'webp'];
 
 function allowedFileExtension(filename) {
 	filetype = filename.split('.').pop().toLowerCase();