Fix #395, Remove unsupported Ubuntu 16.04 downloads from swift releases (#397)

Signed-off-by: paulober <44974737+paulober@users.noreply.github.com>

Author: paulober

_data/builds/swift_releases.yml

@@ -1049,10 +1049,6 @@
   xcode_release: false
   date: 2022-09-02
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.6.3-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.6.3-bionic
       archs:
@@ -1080,10 +1076,6 @@
   xcode_release: false
   date: 2022-09-12
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.7-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.7-bionic
       archs:
@@ -1111,10 +1103,6 @@
   xcode_release: true
   date: 2022-09-12
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.7-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.7-bionic
       archs:
@@ -1147,10 +1135,6 @@
   xcode_release: true
   date: 2022-11-01
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.7.1-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.7.1-bionic
       archs:
@@ -1183,10 +1167,6 @@
   xcode_release: true
   date: 2022-12-13
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.7.2-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.7.2-bionic
       archs:
@@ -1219,10 +1199,6 @@
   xcode_release: false
   date: 2023-01-18
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.7.3-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.7.3-bionic
       archs:
@@ -1255,10 +1231,6 @@
   xcode_release: false
   date: 2023-03-30
   platforms:
-    - name: Ubuntu 16.04
-      docker: 5.8-xenial
-      archs:
-        - x86_64
     - name: Ubuntu 18.04
       docker: 5.8-bionic
       archs: