Finalize .gitignore

Remove entries from .gitignore for pre-restructure directories.
Also 'kubernetes' was renamed as 'containers'.

Finally add an entry for distcloud-client. The gui tox
targets expect the user to create a distcloud-client symlink
in order to be run locally.

Change-Id: I4ea03ec3cb517b1d26215d0fee2ba0dd0e25e598
Story: 2006166
Task: 35687
Signed-off-by: Scott Little <scott.little@windriver.com>

stx/.gitignore

@@ -5,44 +5,28 @@
 *.swp
 .tox
 *~
-/downloads
-/git
 installer-prebuilt
-/stx-ansible-playbooks
-/stx-clients
-/stx-compile
-/stx-config
-/stx-config-files
-/stx-fault
-/stx-gui
-/stx-ha
-/stx-integ
-/stx-kubernetes
-/stx-metal
-/stx-monitoring
-/stx-nfv
-/stx-puppet
-/stx-update
-/stx-upstream
-/stx-utilities
 /ansible-playbooks
 /clients
 /compile
 /config
 /config-files
+/containers
+/distcloud-client
+/downloads
 /fault
+/git
 /gui
 /ha
 /helm-charts
 /integ
-/kubernetes
 /metal
 /monitor-armada-app
 /monitoring
 /nfv
 /openstack-armada-app
 /platform-armada-app
-/puppet
+/stx-puppet
 /update
 /upstream
 /utilities