* clean distribution_helper, index_impl, aligned_vector code in fluid

* fix conflicts

* change CUDA implementaion of randint OP,move distribution common func to phi

* fix CI

* fix CI

* change CUDA implementaion of bernoulli OP

* fix CI

* unify register macro

* rename declare macro

* fix infrt error

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* move bernoulli kernel to pten

* follow comments