Remove title in package.json schema

Fixes #1117

Signed-off-by: Martin Aeschlimann <martinae@microsoft.com>

Author: aeschli

schemas/package.schema.json

@@ -1,6 +1,5 @@
 {
     "$schema": "http://json-schema.org/draft-04/schema#",
-    "title": "XML Language server contributions to package.json",
     "type": "object",
     "properties": {
         "contributes": {
@@ -30,4 +29,5 @@
             }
         }
     }
-}
+
+}