doc/go1.22,cmd/go: document that 'go mod init' no longer imports from other vendoring tools

This support was removed in CL 518776.

For #61422.
Fixes #53327.

Change-Id: I8ad0f76aed5f03e32c4c2c5c0001c3f06beb3c7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/548877
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Than McIntosh <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: Bryan C. Mills

doc/go1.22.html

@@ -94,7 +94,9 @@ <h3 id="go-command">Go command</h3>
 
 <!-- CL 518776 -->
 <p>
-  <!-- cmd/go: remove conversion of legacy pre-module dependency configs -->
+  <code>go</code> <code>mod</code> <code>init</code> no longer attempts to import
+  module requirements from configuration files for other vendoring tools
+  (such as <code>Gopkg.lock</code>).
 </p>
 
 <!-- CL 495447 -->

src/cmd/go/alldocs.go

@@ -25,9 +25,6 @@ module path argument is omitted, init will attempt to infer the module path
 using import comments in .go files, vendoring tool configuration files (like
 Gopkg.lock), and the current directory (if in GOPATH).
 
-If a configuration file for a vendoring tool is present, init will attempt to
-import module requirements from it.
-
 See https://golang.org/ref/mod#go-mod-init for more about 'go mod init'.
 `,
 	Run: runInit,