Repoint ADR references after HQ consolidated 65 records to 23

Comments naming records that no longer exist now point at the consolidated
record holding their reasoning -- the four lab records are 0016, a test defends
a decision is 0017.

test/supported.test.ts

@@ -51,7 +51,7 @@ machines: { a: { at: { segment: net, address: [192.0.2.1] }, inbound: deny } }`)
 test("the host is placeable — it used to be refused, and tier 0 now exists", () => {
   // These two tests failed the moment placement worked, which is what they were for. They
   // defended "there is nothing to place yet" while that was true; the decision changed, so
-  // they change with it rather than being deleted (novox/hq ADR 0034).
+  // they change with it rather than being deleted (novox/hq ADR 0017).
   const scenario = parseScenario(`scenario: x
 segments: { net: { kind: public, cidr: [192.0.2.0/24] } }
 machines: { a: { at: { segment: net, address: [192.0.2.1] } } }