(PA-4514) Removes Ubuntu 16.04

Ubuntu 16.04 hit end-of-life in April 2021. This commit removes
Ubuntu 16.04 from all Vanagon platforms, components, and projects.

Author: mhashizume

Diff for: configs/components/boost.rb

@@ -117,7 +117,7 @@
     pkg.environment "CXXFLAGS", "-pthread"
     pkg.environment "PATH", "/opt/freeware/bin:/opt/pl-build-tools/bin:$(PATH)"
     linkflags = "-Wl,-L#{settings[:libdir]},-L/opt/pl-build-tools/lib"
-  elsif platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|16.04|18.04-amd64)/
+  elsif platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|18.04-amd64)/
     pkg.environment "PATH", "/opt/pl-build-tools/bin:#{settings[:bindir]}:$(PATH)"
     linkflags = "-Wl,-rpath=#{settings[:libdir]},-rpath=#{settings[:libdir]}64"
   else

Diff for: configs/components/libicu.rb

@@ -19,7 +19,7 @@
   end
 
   if platform.is_linux?
-    if platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-(?:16.04|18.04-amd64)/
+    if platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-18.04-amd64/
       pkg.build_requires 'pl-gcc'
     else
       pkg.build_requires 'gcc'

Diff for: configs/components/ruby-2.5.9.rb

@@ -118,7 +118,6 @@
     'solaris-11-sparc',
     'ubuntu-14.04-amd64',
     'ubuntu-14.04-i386',
-    'ubuntu-16.04-ppc64el',
     'windows-2012r2-x64',
     'windows-2012r2-x86',
     'windows-2019-x64',

Diff for: configs/components/ruby-2.7.6.rb

@@ -122,7 +122,6 @@
     'redhatfips-7-x86_64',
     'sles-12-ppc64le',
     'solaris-11-sparc',
-    'ubuntu-16.04-ppc64el',
     'windows-2012r2-x64',
     'windows-2012r2-x86',
     'windows-2019-x64',

Diff for: configs/components/runtime-agent.rb

@@ -43,7 +43,7 @@
     pkg.install_file "#{settings[:tools_root]}/bin/libiconv-2.dll", "#{settings[:ruby_bindir]}/libiconv-2.dll"
     pkg.install_file "#{settings[:tools_root]}/bin/libffi-6.dll", "#{settings[:ruby_bindir]}/libffi-6.dll"
   elsif platform.is_solaris? ||
-        platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|16.04|18.04-amd64)/
+        platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|18.04-amd64)/
     pkg.install do
       "bash runtime.sh #{libdir} puppet"
     end

Diff for: configs/components/runtime-client-tools.rb

@@ -11,7 +11,7 @@
     # zlib is a runtime dependency of libcurl
     pkg.build_requires "pl-zlib-#{platform.architecture}"
     pkg.install_file "#{settings[:tools_root]}/bin/zlib1.dll", "#{settings[:bindir]}/zlib1.dll"
-  elsif platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-(?:16.04|18.04-amd64)/
+  elsif platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-18.04-amd64/
     libbase = platform.architecture =~ /64/ ? 'lib64' : 'lib'
     libdir = "/opt/pl-build-tools/#{libbase}"
     pkg.add_source "file://resources/files/runtime/runtime.sh"

Diff for: configs/components/runtime-pe-installer.rb

@@ -2,7 +2,7 @@
 component "runtime-pe-installer" do |pkg, settings, platform|
   pkg.environment "PROJECT_SHORTNAME", "installer"
 
-  if platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-(?:16.04|18.04-amd64)/
+  if platform.name =~ /el-[67]|redhatfips-7|sles-12|ubuntu-18.04-amd64/
     libbase = platform.architecture =~ /64/ ? 'lib64' : 'lib'
     libdir = "/opt/pl-build-tools/#{libbase}"
     pkg.add_source "file://resources/files/runtime/runtime.sh"

Diff for: configs/components/yaml-cpp.rb

@@ -34,7 +34,7 @@
     pkg.environment "CYGWIN", settings[:cygwin]
     cmake = "C:/ProgramData/chocolatey/bin/cmake.exe -G \"MinGW Makefiles\""
     cmake_toolchain_file = "-DCMAKE_TOOLCHAIN_FILE=#{settings[:tools_root]}/pl-build-toolchain.cmake"
-  elsif platform.is_aix? || platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|16.04|18.04-amd64)/
+  elsif platform.is_aix? || platform.name =~ /debian-9|el-[567]|redhatfips-7|sles-(:?11|12)|ubuntu-(:?14.04|18.04-amd64)/
     cmake = "#{settings[:tools_root]}/bin/cmake"
     cmake_toolchain_file = "-DCMAKE_TOOLCHAIN_FILE=#{settings[:tools_root]}/pl-build-toolchain.cmake"
   else