Revert "add node 22 browser tests as a wild check of a theory in #2481 (comment)"

This reverts commit 96df7d7.

Author: trentm

.github/workflows/unit-test.yml

@@ -148,7 +148,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ["16", "22"]
+        node: ["16"]
     runs-on: ubuntu-latest
     env:
       NPM_CONFIG_UNSAFE_PERM: true