Remove custom font from lib_table_grid

Fixes: lp:1738617
* https://bugs.launchpad.net/kicad/+bug/1738617

include/lib_table_grid.h

@@ -187,47 +187,6 @@ public:
 
         default:            return wxEmptyString;
         }
-    }
-
-    /**
-     * Customize the appearance of LIB_TABLE_ROW entries
-     * - If not enabled, greyed out and italic
-     */
-    virtual wxGridCellAttr* GetAttr( int aRow, int aCol, wxGridCellAttr::wxAttrKind aKind) override
-    {
-        auto* attr = wxGridTableBase::GetAttr( aRow, aCol, aKind );
-
-        if( aRow < (int) size() )
-        {
-            if( !attr )
-            {
-                attr = new wxGridCellAttr();
-            }
-
-            wxFont font;
-
-            if( attr->HasFont() )
-            {
-                font = attr->GetFont();
-            }
-
-            LIB_TABLE_ROW* r = at( (size_t) aRow );
-
-            if( r && r->GetIsEnabled() )
-            {
-                font.SetStyle( wxFONTSTYLE_NORMAL );
-                attr->SetTextColour( COLOUR_ROW_ENABLED );
-            }
-            else
-            {
-                font.SetStyle( wxFONTSTYLE_ITALIC );
-                attr->SetTextColour( COLOUR_ROW_DISABLED );
-            }
-
-            attr->SetFont( font );
-        }
-
-        return attr;
     }
 
 protected: