BoolAttrFlags::DefaultMask is unnecessary

Change-Id: Iaae876e180cef95cb45e4c0df63e146aaf5320be
Reviewed-on: https://gerrit.libreoffice.org/63909
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/unusedenumconstants.readonly.results

@@ -1542,5 +1542,3 @@ writerfilter/source/ooxml/OOXMLFactory.hxx:57
     enum writerfilter::ooxml::ResourceType HpsMeasure
 writerfilter/source/ooxml/OOXMLFactory.hxx:58
     enum writerfilter::ooxml::ResourceType MeasurementOrPercent
-xmloff/source/forms/propertyexport.hxx:38
-    enum BoolAttrFlags DefaultMask

xmloff/source/forms/propertyexport.cxx

@@ -267,8 +267,8 @@ namespace xmloff
         // no check of the property value type: this method is allowed to be called with any integer properties
         // (e.g. sal_Int32, sal_uInt16 etc)
 
-        bool bDefault = (BoolAttrFlags::DefaultTrue == (BoolAttrFlags::DefaultMask & _nBooleanAttributeFlags));
-        bool bDefaultVoid = (BoolAttrFlags::DefaultVoid == (BoolAttrFlags::DefaultMask & _nBooleanAttributeFlags));
+        bool bDefault(BoolAttrFlags::DefaultTrue & _nBooleanAttributeFlags);
+        bool bDefaultVoid(BoolAttrFlags::DefaultVoid & _nBooleanAttributeFlags);
 
         // get the value
         bool bCurrentValue = bDefault;

xmloff/source/forms/propertyexport.hxx

@@ -35,7 +35,6 @@ enum class BoolAttrFlags {
     DefaultFalse          = 0x00,
     DefaultTrue           = 0x01,
     DefaultVoid           = 0x02,
-    DefaultMask           = 0x03,
     InverseSemantics      = 0x04,
 };
 namespace o3tl {