jenkins: remove Ubuntu 18 builder

Jenkins does not currently have an Ubuntu 18.04 configuration, so there
is not much point in building the AMI.

Signed-off-by: Brian Barrett <bbarrett@amazon.com>

Author: bwbarrett

jenkins/customize-ami.sh

@@ -148,26 +148,6 @@ case $PLATFORM_ID in
         pandoc_installed=1
         labels="${labels} linux ubuntu_${VERSION_ID}-${arch}"
         case $VERSION_ID in
-            18.04)
-                sudo DEBIAN_FRONTEND=noninteractive apt-get -y install \
-                     awscli python3-boto3 python-pip python3-venv \
-                     python-mock \
-                     openjdk-17-jre-headless \
-                     gcc-4.8 g++-4.8 gfortran-4.8 \
-                     gcc-5 g++-5 gfortran-5 \
-                     gcc-6 g++-6 gfortran-6 \
-                     gcc-7 g++-7 gfortran-7 \
-                     gcc-8 g++-8 gfortran-8 \
-                     clang-3.9 clang-4.0 clang-5.0 clang-6.0 \
-                     clang-7 clang-8 clang-9 
-                PIP_CMD=pip
-                sudo ${PIP_CMD} install sphinx recommonmark docutils sphinx-rtd-theme sphobjinv
-                labels="${labels} gcc48 gcc5 gcc6 gcc7 gcc8 clang39 clang40 clang50 clang60 clang7 clang8 clang9"
-                if test "$arch" = "x86_64" ; then
-                    sudo DEBIAN_FRONTEND=noninteractive apt-get -y install gcc-multilib g++-multilib gfortran-multilib
-                    labels="${labels} 32bit_builds"
-                fi
-                ;;
             20.04)
                 sudo DEBIAN_FRONTEND=noninteractive apt-get -y install \
                      awscli python-is-python3 python3-boto3 python3-mock \

jenkins/jenkins-amis.pkr.hcl

@@ -362,47 +362,6 @@ source "amazon-ebs" "SLES15-x86" {
 # Ubuntu Linux
 #
 ################################################################################
-data "amazon-ami" "Ubuntu1804-x86" {
-  filters = {
-    architecture        = "x86_64"
-    name                = "ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-*"
-    root-device-type    = "ebs"
-    virtualization-type = "hvm"
-  }
-  most_recent = true
-  owners      = ["099720109477"]
-  region      = "us-west-2"
-  include_deprecated = true
-}
-
-source "amazon-ebs" "Ubuntu1804-x86" {
-  ami_block_device_mappings {
-    delete_on_termination = true
-    device_name           = "/dev/sda1"
-    volume_size           = 16
-  }
-  ami_name                    = "Jenkins Ubuntu 18.04 x86_64 ${var.build_date}"
-  deprecate_at                = "${var.deprecation_date}"
-  associate_public_ip_address = true
-  ena_support                 = true
-  iam_instance_profile        = "${var.iam_role}"
-  instance_type               = "t3.large"
-  launch_block_device_mappings {
-    delete_on_termination = true
-    device_name           = "/dev/sda1"
-    volume_size           = 16
-  }
-  region       = "us-west-2"
-  source_ami   = "${data.amazon-ami.Ubuntu1804-x86.id}"
-  ssh_pty      = true
-  ssh_username = "ubuntu"
-  tags = {
-    BuildType = "${var.BuildType}",
-    JenkinsBuilderAmi = "True"
-  }
-}
-
-
 data "amazon-ami" "Ubuntu2004-arm64" {
   filters = {
     architecture        = "arm64"