Remove failed / pending charts during cleanup, update release-1.6 charts

Change-Id: Id1c4671a973668db1b03c9b541090c6aaa12c8a4
diff --git a/configs/release-1.6 b/configs/release-1.6
index 3bae1f5..c30885e 100644
--- a/configs/release-1.6
+++ b/configs/release-1.6
@@ -2,10 +2,10 @@
 #
 # SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
 
-OMEC_CONTROL_PLANE_CHART := aether/omec-control-plane --version 0.9.15
+OMEC_CONTROL_PLANE_CHART := aether/omec-control-plane --version 0.9.19
 OMEC_USER_PLANE_CHART    := aether/omec-user-plane --version 0.5.4
 OMEC_SUB_PROVISION_CHART := aether/omec-sub-provision --version 0.3.2
-5GC_CONTROL_PLANE_CHART  := aether/5g-control-plane --version 0.5.5
+5GC_CONTROL_PLANE_CHART  := aether/5g-control-plane --version 0.5.6
 5G_RAN_SIM_CHART         := aether/5g-ran-sim --version 0.3.0
 
 # For installing the ROC