xmloff: avoid -Werror=deprecated-copy (GCC trunk towards GCC 9)

...by removing explicitly user-provided functions that do the same as their
implicitly-defined counterparts, but may prevent implicitly declared copy
functions from being defined as non-deleted in the future

Change-Id: Idd25cd86db429b0f3391e359bb2617863b29eb67
Reviewed-on: https://gerrit.libreoffice.org/58053
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

include/xmloff/maptype.hxx

@@ -110,8 +110,6 @@ struct XMLPropertyState
         : mnIndex( nIndex ) {}
     XMLPropertyState( sal_Int32 nIndex, const css::uno::Any& rValue )
         : mnIndex( nIndex ), maValue( rValue ) {}
-    XMLPropertyState( const XMLPropertyState& rPropState )
-        : mnIndex( rPropState.mnIndex ), maValue( rPropState.maValue ) {}
 };
 
 #endif // INCLUDED_XMLOFF_MAPTYPE_HXX

xmloff/source/core/attrlist.cxx

@@ -58,11 +58,6 @@ struct SvXMLAttributeList_Impl
         vecAttribute.reserve(20);
     }
 
-    SvXMLAttributeList_Impl( const SvXMLAttributeList_Impl& r ) :
-            vecAttribute( r.vecAttribute )
-    {
-    }
-
     ::std::vector<struct SvXMLTagAttribute_Impl> vecAttribute;
     typedef ::std::vector<struct SvXMLTagAttribute_Impl>::size_type size_type;
 };