ENH: normalize comment from OrcaSlicer

Mark code from OrcaSlicer with same comment tag for follow easily

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: If4db502a1b0e6d0648c73f2f383b6d1cc8e1aa01

src/libslic3r/PerimeterGenerator.cpp

@@ -1194,7 +1194,7 @@ void PerimeterGenerator::process_classic()
                 ++ irun;
             }
 #endif
-            // SoftFever: filter out tiny gap fills
+            // OrcaSlicer: filter out tiny gap fills
             polylines.erase(std::remove_if(polylines.begin(), polylines.end(), [&](const ThickPolyline &p) {
                 return p.length()< scale_(this->config->filter_out_gap_fill.value);
             }), polylines.end());