Update model.md

Author: Rob Sanderson

source/presentation/4.0/model.md

@@ -2946,10 +2946,6 @@ __Incompatibility Warning__<br/>
 The definition of `label` in the Web Annotation specification does not produce JSON conformant with the structure defined in this specification for languages. Given the absolute requirement for internationalized labels and the strong desire for consistently handling properties, the `label` property on Annotation model classes does not conform to the string requirement of the Web Annotation Data Model.  This [issue has been filed with the W3C][github-webanno-437] and will hopefully be addressed in a future version of the standard.
 {: .warning}
 
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-### FIXME: value, value, and value
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 The following properties are defined by both, and the IIIF representation is more specific than the Web Annotation Data Model but are not in conflict, or are never used on the same resource:
 
 * `homepage`: In IIIF the home page of a resource is represented as a JSON object, whereas in the Web Annotation Data Model it can also be a string.