Fix integration/terragrunt config path

Change-Id: Ib513db63d1b70f74c746f7d69f0bc1c25e64f0ba
Issue-ID: INT-1778
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>

diff --git a/jjb/integration-terragrunt/integration-terragrunt.yaml b/jjb/integration/integration-terragrunt.yaml
similarity index 100%
rename from jjb/integration-terragrunt/integration-terragrunt.yaml
rename to jjb/integration/integration-terragrunt.yaml