Revert "Merge branch 'fix/httpvfs-chunked-length'"

This reverts commit d4f106f488, reversing
changes made to c5ef1f58ff.

.github/workflows/deploy-pages.yml

@@ -162,7 +162,7 @@ jobs:
         run: |
           set -euo pipefail
           for id in $(jq -r '.datasets[].id' datasets.json); do
-            url="${PAGE_URL%/}/db/${id}.sqlite30"
+            url="${PAGE_URL%/}/db/${id}.sqlite3"
             if ! magic=$(curl -sf -r 0-14 -H 'Accept-Encoding: identity;q=1, *;q=0' "$url"); then
               echo "::error::$url is not fetchable"
               exit 1