intel: Remove Gen10-specific device entries

The enables removal of gen_device_info::is_cannonlake.

v2: Remove GEN10_FEATURES and GEN10_HW_INFO macros.  Suggested by
Lionel.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6899>
3 files changed