_content/doc/go1.22.html: remove nonexistent v2 rand.Uint

Fixes golang/go#66693

Change-Id: I0b7bfa77f831d25b717ec34188deb65c2f95b8aa
Reviewed-on: https://go-review.googlesource.com/c/website/+/578295
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/_content/doc/go1.22.md b/_content/doc/go1.22.md
index f439566..8b804f4 100644
--- a/_content/doc/go1.22.md
+++ b/_content/doc/go1.22.md
@@ -310,7 +310,6 @@
     `Uint32N`,
     `Uint64`,
     `Uint64N`,
-    `Uint`,
     and
     `UintN`.
   - The