[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/tkt-7a31705a7e6.test

-# 2013 February 26
-#
-# The author disclaims copyright to this source code.  In place of
-# a legal notice, here is a blessing:
-#
-#    May you do good and not evil.
-#    May you find forgiveness for yourself and forgive others.
-#    May you share freely, never taking more than you give.
-#
-#***********************************************************************
-#
-# This file implements regression tests for SQLite library. Specifically,
-# it tests that ticket [7a31705a7e6c95d514e6f20a6900f436bbc9fed8] in the
-# name resolver has been fixed.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-do_execsql_test tkt-7a31705a7e6-1.1 {
-  CREATE TABLE t1 (a INTEGER PRIMARY KEY);
-  CREATE TABLE t2 (a INTEGER PRIMARY KEY, b INTEGER);
-  CREATE TABLE t2x (b INTEGER PRIMARY KEY);
-  SELECT t1.a FROM ((t1 JOIN t2 ON t1.a=t2.a) AS x JOIN t2x ON x.b=t2x.b) as y;
-} {}