kata_integration: spec file is added in the src-openEuler repo

reason: kata-containers.spec and kata_integration.spec file are
added in the src-openEuler/kata_integration repo not in this repo.

Signed-off-by: holyfei <yangfeiyu20102011@163.com>

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch update-kata-containers-spec
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	deleted:    hack/kata-containers.spec
#	deleted:    kata-integration.spec
#
