evml: crop image

opencv-motion-detect/evmlmotion.cpp

@@ -333,9 +333,6 @@ private:
                     }
                 }
             }
-            else {
-                detPara.maxDuration = evmlmotion["maxDuration"];
-            }
             
             spdlog::info("evmlmotion {} detection params: entropy {}, area {}, thresh {}, fpsProc {}", selfId, detPara.entropy, detPara.area, detPara.thre, detPara.fpsProc);