ibmcloud: update docs related to security groups

Update README and ROKS_SETUP to reflect recent changes
in security group configuration.

Signed-off-by: Patrik Fodor <[email protected]>

Author: Pacho20

src/cloud-api-adaptor/ibmcloud/README.md

@@ -136,7 +136,6 @@ REGION="$(terraform output --raw region)"
 RESOURCE_GROUP_ID="$(terraform output --raw resource_group_id)"
 ZONE="$(terraform output --raw zone)"
 VPC_SUBNET_ID="$(terraform output --raw subnet_id)"
-VPC_SECURITY_GROUP_ID="$(terraform output --raw security_group_id)"
 VPC_ID="$(terraform output --raw vpc_id)"
 EOF
 

src/cloud-api-adaptor/ibmcloud/ROKS_SETUP.md

@@ -183,7 +183,6 @@ SSH_KEY_ID="$SSH_KEY_ID"
 PODVM_IMAGE_ID="$PODVM_IMAGE_ID"
 VPC_ID="$VPC_ID"
 VPC_SUBNET_ID="$SUBNET_ID"
-VPC_SECURITY_GROUP_ID="$(ibmcloud ks security-group ls --cluster $CLUSTER_NAME -json | jq -r '.[] | select(.type == "cluster") | .id')"
 RESOURCE_GROUP_ID="$(ibmcloud is vpc "$VPC_ID" -json | jq -r .resource_group.id)"
 ZONE="$(ibmcloud is subnet $SUBNET_ID -json | jq -r .zone.name)"
 REGION="$(ibmcloud is zone $ZONE -json | jq -r .region.name)"