[sqlite] Remove obsolete reference version 3.8.7.4.

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

-# 2013 March 20
-#
-# 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. 
-# This particular file does testing of casting strings into numeric
-# values.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-foreach enc {utf8 utf16le utf16be} {
-  do_test numcast-$enc.0 {
-    db close
-    sqlite3 db :memory:
-    db eval "PRAGMA encoding='$enc'"
-    set x [db eval {PRAGMA encoding}]
-    string map {- {}} [string tolower $x]
-  } $enc
-  foreach {idx str rval ival} {
-     1 12345.0       12345.0    12345
-     2 12345.0e0     12345.0    12345
-     3 -12345.0e0   -12345.0   -12345
-     4 -12345.25    -12345.25  -12345
-     5 { -12345.0}  -12345.0   -12345
-     6 { 876xyz}       876.0      876
-     7 { 456ķ89}       456.0      456
-     8 { Ġ 321.5}        0.0        0
-  } {
-    do_test numcast-$enc.$idx.1 {
-      db eval {SELECT CAST($str AS real)}
-    } $rval
-    do_test numcast-$enc.$idx.2 {
-      db eval {SELECT CAST($str AS integer)}
-    } $ival
-  }
-}
-
-finish_test