* [TF Hub][GA] Use Ubuntu 20.04 for TensorFlow Hub Models validation and Separate job Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com> * Apply review comments: ubuntu-20.04 use and install deps * Simplify validation pipeline for TF Hub Models * Remove extra deps installations * Remove not needed code * Try to fix * Try 22.04 --------- Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com>