Remove convertPropertyValue overload for OUString

...it never did anything different than the generic template overload.

Strictly speaking, removing that inline function overload could be considered an
API change, but it shouldn't cause any issues in practice even when recompiling
all code against the new include files.

Change-Id: Icb0942f56ee0888f09d3478f34d568d44651c838

include/cppuhelper/proptypehlp.h

@@ -48,7 +48,6 @@ inline void SAL_CALL convertPropertyValue( sal_uInt16 & target, const css::uno::
 inline void SAL_CALL convertPropertyValue( sal_Int8 & target  , const css::uno::Any & source );
 inline void SAL_CALL convertPropertyValue( float & target     , const css::uno::Any & source );
 inline void SAL_CALL convertPropertyValue( double &target     , const css::uno::Any &source );
-inline void SAL_CALL convertPropertyValue( ::rtl::OUString &target  , const css::uno::Any &source );
 
 } // end namespace cppu
 

include/cppuhelper/proptypehlp.hxx

@@ -272,13 +272,6 @@ inline void SAL_CALL convertPropertyValue( double &d , const css::uno::Any &a )
     }
 }
 
-inline void SAL_CALL convertPropertyValue( ::rtl::OUString &ow , const css::uno::Any &a )
-{
-    if( !(a >>= ow) ) {
-        throw css::lang::IllegalArgumentException();
-    }
-}
-
 }     // end namespace cppu
 
 #endif