Remove comments and post-meta template part refs from theme.json (#7228)

bute/theme.json

@@ -1297,10 +1297,6 @@
 		}
 	},
 	"templateParts": [
-		{
-			"area": "comments",
-			"name": "comments"
-		},
 		{
 			"area": "header",
 			"name": "header"
@@ -1308,10 +1304,6 @@
 		{
 			"area": "footer",
 			"name": "footer"
-		},
-		{
-			"area": "post-meta",
-			"name": "post-meta"
 		}
 	],
 	"version": 2,