delete build dir and add submodules

build/px4_msgs/ament_cmake_uninstall_target/ament_cmake_uninstall_target.cmake

@@ -1,60 +0,0 @@
-# generated from
-# ament_cmake_core/cmake/uninstall_target/ament_cmake_uninstall_target.cmake.in
-
-function(ament_cmake_uninstall_target_remove_empty_directories path)
-  set(install_space "/home/ubuntu/ros2_ws/install/px4_msgs")
-  if(install_space STREQUAL "")
-    message(FATAL_ERROR "The CMAKE_INSTALL_PREFIX variable must not be empty")
-  endif()
-
-  string(LENGTH "${install_space}" length)
-  string(SUBSTRING "${path}" 0 ${length} path_prefix)
-  if(NOT path_prefix STREQUAL install_space)
-    message(FATAL_ERROR "The path '${path}' must be within the install space '${install_space}'")
-  endif()
-  if(path STREQUAL install_space)
-    return()
-  endif()
-
-  # check if directory is empty
-  file(GLOB files "${path}/*")
-  list(LENGTH files length)
-  if(length EQUAL 0)
-    message(STATUS "Uninstalling: ${path}/")
-    execute_process(COMMAND "/usr/bin/cmake" "-E" "remove_directory" "${path}")
-    # recursively try to remove parent directories
-    get_filename_component(parent_path "${path}" PATH)
-    ament_cmake_uninstall_target_remove_empty_directories("${parent_path}")
-  endif()
-endfunction()
-
-# uninstall files installed using the standard install() function
-set(install_manifest "/home/ubuntu/ros2_ws/build/px4_msgs/install_manifest.txt")
-if(NOT EXISTS "${install_manifest}")
-  message(FATAL_ERROR "Cannot find install manifest: ${install_manifest}")
-endif()
-
-file(READ "${install_manifest}" installed_files)
-string(REGEX REPLACE "\n" ";" installed_files "${installed_files}")
-foreach(installed_file ${installed_files})
-  if(EXISTS "${installed_file}" OR IS_SYMLINK "${installed_file}")
-    message(STATUS "Uninstalling: ${installed_file}")
-    file(REMOVE "${installed_file}")
-    if(EXISTS "${installed_file}" OR IS_SYMLINK "${installed_file}")
-      message(FATAL_ERROR "Failed to remove '${installed_file}'")
-    endif()
-
-    # remove empty parent folders
-    get_filename_component(parent_path "${installed_file}" PATH)
-    ament_cmake_uninstall_target_remove_empty_directories("${parent_path}")
-  endif()
-endforeach()
-
-# end of template
-
-message(STATUS "Execute custom uninstall script")
-
-# begin of custom uninstall code
-
-# uninstall files installed using the symlink install functions
-include("/home/ubuntu/ros2_ws/build/px4_msgs/ament_cmake_symlink_install/ament_cmake_symlink_install_uninstall_script.cmake")