update grammar script: remove unused properties

extensions/html/syntaxes/html.tmLanguage.json

@@ -5,16 +5,8 @@
 		"Once accepted there, we are happy to receive an update request."
 	],
 	"version": "https://github.com/textmate/html.tmbundle/commit/a723f08ebd49c67c22aca08dd8f17d0bf836ec93",
-	"fileTypes": [
-		"html",
-		"htm",
-		"shtml",
-		"xhtml",
-		"inc",
-		"tmpl",
-		"tpl"
-	],
-	"firstLineMatch": "<(?i:(!DOCTYPE\\s*)?html)",
+	"name": "HTML",
+	"scopeName": "text.html.basic",
 	"injections": {
 		"R:text.html - (comment.block, text.html source)": {
 			"comment": "Use R: to ensure this matches after any other injections.",
@@ -26,8 +18,6 @@
 			]
 		}
 	},
-	"keyEquivalent": "^~H",
-	"name": "HTML",
 	"patterns": [
 		{
 			"begin": "(<)([a-zA-Z][a-zA-Z0-9:-]*)(?=[^>]*></\\2>)",
@@ -746,7 +736,5 @@
 			"match": "(?<==)(?:[^\\s<>/'\"]|/(?!>))+",
 			"name": "string.unquoted.html"
 		}
-	},
-	"scopeName": "text.html.basic",
-	"uuid": "17994EC8-6B1D-11D9-AC3A-000D93589AF6"
+	}
 }