[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/shrink.test

-# 2011 November 16
-#
-# 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 contains test cases for sqlite3_db_release_memory and
-# the PRAGMA shrink_memory statement.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-unset -nocomplain baseline
-do_test shrink-1.1 {
-  db eval {
-    PRAGMA cache_size = 2000;
-    CREATE TABLE t1(x,y);
-    INSERT INTO t1 VALUES(randomblob(1000000),1);
-  }
-  set ::baseline sqlite3_memory_used
-  sqlite3_db_release_memory db
-  expr {$::baseline > [sqlite3_memory_used]+500000}
-} {1}
-do_test shrink-1.2 {
-  set baseline [sqlite3_memory_used]
-  db eval {
-    UPDATE t1 SET y=y+1;
-  }
-  expr {$::baseline+500000 < [sqlite3_memory_used]}
-} {1}
-do_test shrink-1.3 {
-  set baseline [sqlite3_memory_used]
-  db eval {PRAGMA shrink_memory}
-  expr {$::baseline > [sqlite3_memory_used]+500000}
-} {1}
-
-finish_test