MetalLB: Remove MetalLB deployment scripts

The MetalLB deployment scripts for OCP CI are now part
of the openshift/metallb repo:
https://github.com/openshift/metallb/tree/main/openshift-ci

.gitignore

@@ -8,7 +8,6 @@ clouds.yaml
 _clouds_yaml
 metal3-dev/deployment-*.yaml
 assets/generated
-metallb/frr/
 
 # Conditionally created for appropriate environments
 assets/templates/99_master-chronyd-redhat.yaml

06_create_cluster.sh

@@ -69,20 +69,6 @@ if [[ ${NUM_EXTRA_WORKERS} -ne 0 && -d "${OCP_DIR}/extras" ]]; then
     oc create secret generic extraworkers-secret --from-file="${OCP_DIR}/extras/" -n openshift-machine-api
 fi
 
-if [[ ! -z "${ENABLE_METALLB}" ]]; then
-
-	if [[ -z ${METALLB_IMAGE_BASE} ]]; then
-		export METALLB_IMAGE_BASE=$(\
-			jq -r .references.spec.tags[0].from.name ${OCP_DIR}/release_info.json | sed -e 's/@.*$//g')
-		export METALLB_IMAGE_TAG="metallb"
-		export FRR_IMAGE_TAG="metallb-frr"
-	fi
-
-	pushd metallb
-	./configure_metallb.sh
-	popd
-fi
-
 if [[ ! -z "${ENABLE_VIRTUAL_MEDIA_VIA_EXTERNAL_NETWORK}" ]]; then
     oc patch provisioning provisioning-configuration --type merge -p "{\"spec\":{\"virtualMediaViaExternalNetwork\":true}}"
 fi

config_example.sh

@@ -174,17 +174,6 @@ set -x
 #
 #export DISABLE_MULTICAST=false
 
-# ENABLE_METALLB_MODE -
-# Enable metallb
-# Default is unset.
-# Choices: "l2", "bgp"
-#
-#export ENABLE_METALLB_MODE="l2"
-#
-# metallb container location (optional)
-#export METALLB_IMAGE_BASE=
-#export METALLB_IMAGE_TAG=
-
 ################################################################################
 ## Network Settings
 ##
@@ -236,7 +225,89 @@ set -x
 # More info: https://github.com/openshift/cluster-baremetal-operator/blob/master/api/v1alpha1/provisioning_types.go#L163-L171
 #export ENABLE_VIRTUAL_MEDIA_VIA_EXTERNAL_NETWORK=true
 
-# Set the DHCP lease time (Default: 60)
+# Enable testing of custom machine-api-operator-image
+#export TEST_CUSTOM_MAO=true
+
+# Custom machine-api-operator image with tag
+#export CUSTOM_MAO_IMAGE="quay.io/mao-user/machine-api-operator:mao-fix"
+
+# Git repository that is holding any custom machine-api-operator changes
+#export REPO_NAME="mao-user"
+
+# Name of branch in the above repo which contains the custom MAO changes
+#export MAO_BRANCH="mao-fix"
+
+#export LOCAL_REGISTRY_DNS_NAME="virthost.ostest.test.metalkube.org"
+#export LOCAL_REGISTRY_PORT="5000"
+
+# configure username for registry
+#export REGISTRY_USER=some-user
+
+# congiugre password for registry user
+#export REGISTRY_PASS=some-pass
+
+# configure base directory for registry
+#export REGISTRY_DIR=/opt/registry
+
+# configure location of mirror's creds
+#export REGISTRY_CREDS=${REGISTRY_CREDS:-$USER/private-mirror.json}
+
+# Install operator-sdk for local testing of baremetal-operator
+#export INSTALL_OPERATOR_SDK=1
+
+# Set a custom hostname format for masters. This is a format string that should
+# include one %d field, which will be replaced with the number of the node.
+#export MASTER_HOSTNAME_FORMAT=master-%d
+
+# Set a custom hostname format for workers. This is a format string that should
+# include one %d field, which will be replaced with the number of the node.
+#export WORKER_HOSTNAME_FORMAT=worker-%d
+
+# Change VM resources for masters
+#export MASTER_MEMORY=16384
+#export MASTER_DISK=20
+#export MASTER_VCPU=8
+
+# Change VM resources for workers
+#export WORKER_MEMORY=8192
+#export WORKER_DISK=20
+#export WORKER_VCPU=4
+
+# Change VM resources for extra workers. If not supplied defaults to the
+# regular workers specs
+#export EXTRA_WORKER_MEMORY=8192
+#export EXTRA_WORKER_DISK=20
+#export EXTRA_WORKER_VCPU=4
+
+# Add extradisks to VMs
+# export VM_EXTRADISKS=true
+
+# Configure how many extra disks to add to VMs. Takes a string of disk
+# names delimited by spaces. Example "vdb vdc"
+# export VM_EXTRADISKS_LIST="vdb vdc"
+
+# Configure size of extra disks added to VMs
+# export VM_EXTRADISKS_SIZE="10G"
+
+# Add TPM2.0 emulator to VMs
+# export VM_TPM_EMULATOR=true
+
+# Provide additional master/worker ignition configuration, will be
+# merged with the installer provided config, can be used to modify
+# the default nic configuration etc
+#export IGNITION_EXTRA=extra.ign
+
+# Folder where to copy extra manifests for the cluster deployment
+#export ASSETS_EXTRA_FOLDER=local_file_path
+
+# Enable FIPS mode
+#export FIPS_MODE=true
+
+# In order to test using unicast for keepalived, one needs to disable multicast.
+# Setting this variable to true will block multicast via ebtables for both IPv4 and IPv6.
+#export DISABLE_MULTICAST=false
+
+# Set the DHCP lease time
 #export DHCP_LEASE_EXPIRY=60
 
 # DNS_VIP -