Fix trailing whitespace in the model doc generation

Signed-off-by: Jared Smith <[email protected]>

Author: jaredsmith

gen/templates/model_doc.mustache

@@ -5,7 +5,7 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-{{#vars}}**{{name}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{complexType}}.md){{/isPrimitiveType}} | {{description}} | {{^required}}[optional] {{/required}}{{#isReadOnly}}[readonly] {{/isReadOnly}}{{#defaultValue}}[default to {{{.}}}]{{/defaultValue}}
+{{#vars}}**{{name}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{complexType}}.md){{/isPrimitiveType}} | {{description}} |{{^required}} [optional]{{/required}}{{#isReadOnly}} [readonly]{{/isReadOnly}}{{#defaultValue}} [default to {{{.}}}]{{/defaultValue}}
 {{/vars}}
 
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