!7800 remove Python3 and pybind11 dependency

Merge pull request !7800 from yeyunpeng2020/dependecy

mindspore/lite/CMakeLists.txt

@@ -144,30 +144,8 @@ if (ENABLE_CONVERTER)
     if (PLATFORM_ARM)
         MESSAGE(FATAL_ERROR "Cannot build converter in arm platform")
     endif()
-    find_package(Python3 3.7 COMPONENTS Interpreter Development)
-    if (Python3_FOUND)
-        set(PYTHON_INCLUDE_DIRS "${Python3_INCLUDE_DIRS}")
-        set(PYTHON_LIBRARIES "${Python3_LIBRARIES}")
-        if (WIN32)
-            if (Python3_DIR)
-                message("Python3_DIR set already: " ${Python3_DIR})
-            else ()
-                string(LENGTH ${PYTHON_LIBRARIES} PYTHON_LIBRARIES_LEN)
-                string(LENGTH "libpythonxx.a" Python3_NAME_LEN)
-                math(EXPR Python3_DIR_LEN  ${PYTHON_LIBRARIES_LEN}-${Python3_NAME_LEN})
-                string(SUBSTRING ${Python3_LIBRARIES} 0 ${Python3_DIR_LEN} Python3_DIR)
-                message("Python3_DIR: " ${Python3_DIR})
-            endif ()
-            link_directories(${Python3_DIR})
-        endif ()
-    else ()
-        find_python_package(py_inc py_lib)
-        set(PYTHON_INCLUDE_DIRS "${py_inc}")
-        set(PYTHON_LIBRARIES "${py_lib}")
-    endif ()
     include_directories(${PYTHON_INCLUDE_DIRS})
     include(${TOP_DIR}/cmake/external_libs/json.cmake)
-    include(${TOP_DIR}/cmake/external_libs/pybind11.cmake)
     include(${TOP_DIR}/cmake/external_libs/eigen.cmake)
     include(${TOP_DIR}/cmake/external_libs/protobuf.cmake)
     add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/tools/converter)