tdf#97228: Remove unused TextAttribProtect

Change-Id: I11d8510ac20967ee1b3d6091d241ce45cc9d9853
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/183275
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>

include/vcl/txtattr.hxx

@@ -33,7 +33,6 @@ namespace vcl { class Font; }
 #define TEXTATTR_FONTWEIGHT 3
 
 #define TEXTATTR_USER_START 1000 //start id for user defined text attributes
-#define TEXTATTR_PROTECTED  4
 
 
 class VCL_DLLPUBLIC TextAttrib
@@ -90,18 +89,6 @@ public:
     FontWeight getFontWeight() const { return meWeight; }
 };
 
-class TextAttribProtect final : public TextAttrib
-{
-public:
-                            TextAttribProtect();
-
-    virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual std::unique_ptr<TextAttrib> Clone() const override;
-    virtual bool            operator==( const TextAttrib& rAttr ) const override;
-
-};
-
-
 class TextCharAttrib
 {
 private:

vcl/source/edit/txtattr.cxx

@@ -71,23 +71,4 @@ bool TextAttribFontWeight::operator==( const TextAttrib& rAttr ) const
                 ( meWeight == static_cast<const TextAttribFontWeight&>(rAttr).meWeight ) );
 }
 
-TextAttribProtect::TextAttribProtect() :
-    TextAttrib( TEXTATTR_PROTECTED )
-{
-}
-
-void TextAttribProtect::SetFont( vcl::Font& ) const
-{
-}
-
-std::unique_ptr<TextAttrib> TextAttribProtect::Clone() const
-{
-    return std::unique_ptr<TextAttrib>(new TextAttribProtect());
-}
-
-bool TextAttribProtect::operator==( const TextAttrib& rAttr ) const
-{
-    return TextAttrib::operator==(rAttr );
-}
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */