Remove JSON preview and Rich preview buttons

Author: xylix

index.html

@@ -14,10 +14,10 @@
 	<div id="preview">
 		<div class="preview" id="json-preview"></div>
 		<div class="preview hidden" id="rich-preview"></div>
-		<div class="switchers btn-group" role="group" aria-label="Switch preview type">
+		<!--<div class="switchers btn-group" role="group" aria-label="Switch preview type">
 			<button type="button" class="btn btn-primary" onClick="jsonPreview()">JSON preview</button>
 			<button type="button" class="btn btn-primary disabled" onClick="richPreview()">Rich preview</button>
-		</div>
+		</div>-->
 	</div>
 
 	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>