Remove date from TextField component (#282)

Author: jacobsimionato

specification/0.9/json/standard_catalog_definition.json

@@ -507,7 +507,7 @@
             "usageHint": {
               "type": "string",
               "description": "The type of input field to display.",
-              "enum": ["date", "longText", "number", "shortText", "obscured"]
+              "enum": ["longText", "number", "shortText", "obscured"]
             },
             "validationRegexp": {
               "type": "string",