Remove /** */ auto-closing from gitignore syntax (microsoft#273553)

Fixes microsoft#273372

Author: kycutler

extensions/git-base/languages/ignore.language-configuration.json

@@ -8,7 +8,6 @@
 		{ "open": "(", "close": ")" },
 		{ "open": "'", "close": "'", "notIn": ["string", "comment"] },
 		{ "open": "\"", "close": "\"", "notIn": ["string"] },
-		{ "open": "`", "close": "`", "notIn": ["string", "comment"] },
-		{ "open": "/**", "close": " */", "notIn": ["string"] }
+		{ "open": "`", "close": "`", "notIn": ["string", "comment"] }
 	]
 }