Remove backticks from SQL statements

Summary: Remove backticks from SQL statements for consistency. In //most// places, we don't use backticks around table/field names, so at least be consistent about this.

Test Plan: Learned what backticks are used for in MySQL.

Reviewers: eadler, epriestley, #blessed_reviewers

Reviewed By: eadler, epriestley, #blessed_reviewers

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D13267

src/applications/herald/garbagecollector/HeraldTranscriptGarbageCollector.php

@@ -20,7 +20,7 @@ final class HeraldTranscriptGarbageCollector
           conditionTranscripts = "",
           applyTranscripts     = "",
           garbageCollected     = 1
-        WHERE garbageCollected = 0 AND `time` < %d
+        WHERE garbageCollected = 0 AND time < %d
         LIMIT 100',
       $table->getTableName(),
       time() - $ttl);

src/applications/ponder/editor/PonderVoteEditor.php

@@ -63,8 +63,8 @@ final class PonderVoteEditor extends PhabricatorEditor {
 
       queryfx($conn,
         'UPDATE %T as t
-        SET t.`voteCount` = t.`voteCount` + %d
+        SET t.voteCount = t.voteCount + %d
-        WHERE t.`PHID` = %s',
+        WHERE t.PHID = %s',
         $votable->getTableName(),
         $delta,
         $votable->getVotablePHID());

src/applications/xhprof/controller/PhabricatorXHProfSampleListController.php

@@ -18,18 +18,18 @@ final class PhabricatorXHProfSampleListController
 
     switch ($this->view) {
       case 'sampled':
-        $clause = '`sampleRate` > 0';
+        $clause = 'sampleRate > 0';
         $show_type = false;
         break;
       case 'my-runs':
         $clause = qsprintf(
           id(new PhabricatorXHProfSample())->establishConnection('r'),
-          '`sampleRate` = 0 AND `userPHID` = %s',
+          'sampleRate = 0 AND userPHID = %s',
           $request->getUser()->getPHID());
         $show_type = false;
         break;
       case 'manual':
-        $clause = '`sampleRate` = 0';
+        $clause = 'sampleRate = 0';
         $show_type = false;
         break;
       case 'all':