remove API comparison util

This is outdated and unmaintained. There are tools out there
which can do this better. Try, for example
https://github.com/radarlabs/api-diff

diff --git a/utils/server_compare.php b/utils/server_compare.php
deleted file mode 100755 (executable)
index 39016d0..0000000
--- a/utils/server_compare.php
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/php -Cq
-<?php
-
-$sFile = 'sample.log.txt'; // Apache log file
-$sHost1 = 'http://mq-open-search-lm02.ihost.aol.com:8000/nominatim/v1';
-$sHost2 = 'http://mq-open-search-lm03.ihost.aol.com:8000/nominatim/v1';
-
-
-$sHost1Escaped = str_replace('/', '\\/', $sHost1);
-$sHost2Escaped = str_replace('/', '\\/', $sHost2);
-
-$aToDo = array(251, 293, 328, 399.1, 455.1, 479, 496, 499, 574, 609, 702, 790, 846, 865, 878, 894, 902, 961, 980);
-
-$hFile = @fopen($sFile, 'r');
-if (!$hFile) {
-    echo "Unable to open file: $sFile\n";
-    exit;
-}
-
-$i = 0;
-while (($sLine = fgets($hFile, 10000)) !== false) {
-    $i++;
-    if (!in_array($i, $aToDo)) continue;
-
-    if (preg_match('#"GET (.*) HTTP/1.[01]"#', $sLine, $aResult)) {
-        $sURL1 = $sHost1.$aResult[1];
-        $sURL2 = $sHost2.$aResult[1];
-
-        $sRes1 = '';
-        $k = 0;
-        while (!$sRes1 && $k < 10) {
-            $sRes1 = file_get_contents($sURL1);
-            $k++;
-            if (!$sRes1) sleep(10);
-        }
-        $sRes2 = file_get_contents($sURL2);
-
-        // Strip out the things that will always change
-        $sRes1 =  preg_replace('# timestamp=\'[^\']*\'#', '', $sRes1);
-        $sRes1 =  str_replace($sHost1, '', $sRes1);
-        $sRes1 =  str_replace($sHost1Escaped, '', $sRes1);
-        $sRes2 =  preg_replace('# timestamp=\'[^\']*\'#', '', $sRes2);
-        $sRes2 =  str_replace($sHost2, '', $sRes2);
-        $sRes2 =  str_replace($sHost2Escaped, '', $sRes2);
-
-        if ($sRes1 != $sRes2) {
-            echo "$i:\n";
-            var_dump($sURL1, $sURL2);
-
-            $sRes = $sURL1.":\n";
-            for ($j = 0; $j < strlen($sRes1); $j+=40) {
-                $sRes .= substr($sRes1, $j, 40)."\n";
-            }
-            file_put_contents('log/'.$i.'.1', $sRes);
-
-            $sRes = $sURL2.":\n";
-            for ($j = 0; $j < strlen($sRes2); $j+=40) {
-                $sRes .= substr($sRes2, $j, 40)."\n";
-            }
-            file_put_contents('log/'.$i.'.2', $sRes);
-        }
-        echo ".\n";
-    } else {
-        var_dump($sLine);
-    }
-}
-
-fclose($hFile);