[refactor] [opengl] Remove dtype & total_size_hint in serialized aot file.
[refactor] [opengl] Remove dtype & total_size_hint in serialized aot file.

ghstack-source-id: 156887ec3e25360951cfe989b052ff2cee743ff9
Pull Request resolved: https://github.com/taichi-dev/taichi/pull/3689
yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi