refactor: don't use CV_ErrorNoReturn() internally

modules/imgcodecs/src/grfmt_gdal.cpp

@@ -409,7 +409,7 @@ bool GdalDecoder::readData( Mat& img ){
             color = 3;
             break;
         default:
-            CV_ErrorNoReturn(cv::Error::StsError, "Invalid/unsupported mode");
+            CV_Error(cv::Error::StsError, "Invalid/unsupported mode");
         }
 
         // make sure the image band has the same dimensions as the image