Deprecate unsupported CodeBuild docker images

[trivikr]

Use Case

• The Ubuntu images other than Standard ones are not supported https://github.com/aws/aws-codebuild-docker-images/tree/master/ubuntu/unsupported_images
• Commit from May 2019 which moved all Ubuntu images to unsupported directory: aws/aws-codebuild-docker-images@74a929d
• Ubuntu 14.04 has been EoL since April 2019 https://www.omgubuntu.co.uk/2019/04/ubuntu-14-04-end-of-life

Proposed Solution

Deprecate unsupported images in CDK

aws-cdk/packages/@aws-cdk/aws-codebuild/lib/project.ts

Lines 1162 to 1191 in e6ef981

	public static readonly UBUNTU_14_04_BASE = LinuxBuildImage.codeBuildImage('aws/codebuild/ubuntu-base:14.04');
	public static readonly UBUNTU_14_04_ANDROID_JAVA8_24_4_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/android-java-8:24.4.1');
	public static readonly UBUNTU_14_04_ANDROID_JAVA8_26_1_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/android-java-8:26.1.1');
	public static readonly UBUNTU_14_04_DOCKER_17_09_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/docker:17.09.0');
	public static readonly UBUNTU_14_04_DOCKER_18_09_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/docker:18.09.0');
	public static readonly UBUNTU_14_04_GOLANG_1_10 = LinuxBuildImage.codeBuildImage('aws/codebuild/golang:1.10');
	public static readonly UBUNTU_14_04_GOLANG_1_11 = LinuxBuildImage.codeBuildImage('aws/codebuild/golang:1.11');
	public static readonly UBUNTU_14_04_OPEN_JDK_8 = LinuxBuildImage.codeBuildImage('aws/codebuild/java:openjdk-8');
	public static readonly UBUNTU_14_04_OPEN_JDK_9 = LinuxBuildImage.codeBuildImage('aws/codebuild/java:openjdk-9');
	public static readonly UBUNTU_14_04_OPEN_JDK_11 = LinuxBuildImage.codeBuildImage('aws/codebuild/java:openjdk-11');
	public static readonly UBUNTU_14_04_NODEJS_10_14_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/nodejs:10.14.1');
	public static readonly UBUNTU_14_04_NODEJS_10_1_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/nodejs:10.1.0');
	public static readonly UBUNTU_14_04_NODEJS_8_11_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/nodejs:8.11.0');
	public static readonly UBUNTU_14_04_NODEJS_6_3_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/nodejs:6.3.1');
	public static readonly UBUNTU_14_04_PHP_5_6 = LinuxBuildImage.codeBuildImage('aws/codebuild/php:5.6');
	public static readonly UBUNTU_14_04_PHP_7_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/php:7.0');
	public static readonly UBUNTU_14_04_PHP_7_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/php:7.1');
	public static readonly UBUNTU_14_04_PYTHON_3_7_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:3.7.1');
	public static readonly UBUNTU_14_04_PYTHON_3_6_5 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:3.6.5');
	public static readonly UBUNTU_14_04_PYTHON_3_5_2 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:3.5.2');
	public static readonly UBUNTU_14_04_PYTHON_3_4_5 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:3.4.5');
	public static readonly UBUNTU_14_04_PYTHON_3_3_6 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:3.3.6');
	public static readonly UBUNTU_14_04_PYTHON_2_7_12 = LinuxBuildImage.codeBuildImage('aws/codebuild/python:2.7.12');
	public static readonly UBUNTU_14_04_RUBY_2_5_3 = LinuxBuildImage.codeBuildImage('aws/codebuild/ruby:2.5.3');
	public static readonly UBUNTU_14_04_RUBY_2_5_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/ruby:2.5.1');
	public static readonly UBUNTU_14_04_RUBY_2_3_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/ruby:2.3.1');
	public static readonly UBUNTU_14_04_RUBY_2_2_5 = LinuxBuildImage.codeBuildImage('aws/codebuild/ruby:2.2.5');
	public static readonly UBUNTU_14_04_DOTNET_CORE_1_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/dot-net:core-1');
	public static readonly UBUNTU_14_04_DOTNET_CORE_2_0 = LinuxBuildImage.codeBuildImage('aws/codebuild/dot-net:core-2.0');
	public static readonly UBUNTU_14_04_DOTNET_CORE_2_1 = LinuxBuildImage.codeBuildImage('aws/codebuild/dot-net:core-2.1');

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

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This is a 🚀 Feature Request