Retires standalone VM site BOM05 (#345)

We already have MIG BOM06 in BOM, and don't need a 3-VM standalone site here.
This got skipped over in the MIG migrations somehow because MIG BOM06 already
existed, so I didn't try to migrate BOM05, but forgot to remove it anyway.

retired.jsonnet

@@ -24,6 +24,7 @@ local retiredSites = {
   bkk01: import 'sites/bkk01.jsonnet',
   bog01: import 'sites/bog01.jsonnet',
   bom03: import 'sites/bom03.jsonnet',
+  bom05: import 'sites/bom05.jsonnet',
   bru03: import 'sites/bru03.jsonnet',
   bru05: import 'sites/bru05.jsonnet',
   bru06: import 'sites/bru06.jsonnet',

sites.jsonnet

@@ -20,7 +20,6 @@ local sites = {
   bom01: import 'sites/bom01.jsonnet',
   bom02: import 'sites/bom02.jsonnet',
   bom04: import 'sites/bom04.jsonnet',
-  bom05: import 'sites/bom05.jsonnet',
   bom06: import 'sites/bom06.jsonnet',
   bru01: import 'sites/bru01.jsonnet',
   bru02: import 'sites/bru02.jsonnet',

sites/bom05.jsonnet

@@ -63,5 +63,6 @@ sitesDefault {
   },
   lifecycle+: {
     created: '2023-11-13',
+    retired: '2024-08-13',
   },
 }