Undo set AUTOMOC as it breaks qt5/qt6

Author: Tobias-Fischer

vinca/templates/build_catkin.sh.in

@@ -31,10 +31,8 @@ fi
 
 if [[ "${CONDA_BUILD_CROSS_COMPILATION:-}" == "1" ]]; then
   export QT_HOST_PATH="$BUILD_PREFIX"
-  export CMAKE_AUTOMOC_EXECUTABLE="$BUILD_PREFIX/bin/moc"
 else
   export QT_HOST_PATH="$PREFIX"
-  export CMAKE_AUTOMOC_EXECUTABLE="$PREFIX/bin/moc"
 fi
 
 echo "USING PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}"