Remove PhutilPhtTestCase::getDateTranslations()

Summary: See my comment at T15815#17864. I don't think the translation extractor has any consumers other than the downstream translations extension, and I'd prefer to handle this issue there rather than upstream.

Test Plan: Read the code.

Reviewers: O1 Blessed Committers, aklapper

Reviewed By: O1 Blessed Committers, aklapper

Subscribers: aklapper, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Differential Revision: https://we.phorge.it/D25684

src/internationalization/__tests__/PhutilPhtTestCase.php

@@ -29,73 +29,4 @@ final class PhutilPhtTestCase extends PhutilTestCase {
 
     $this->assertEqual('5 piv', pht('%d beer(s)', 5));
   }
-
-  public function getDateTranslations() {
-    // The only purpose of this function is to provide a static list of
-    // translations which can come from PhutilTranslator::translateDate() to
-    // allow translation extractor getting them.
-    return array(
-      'D' => array(
-        pht('Sun'),
-        pht('Mon'),
-        pht('Tue'),
-        pht('Wed'),
-        pht('Thu'),
-        pht('Fri'),
-        pht('Sat'),
-      ),
-      'l' => array(
-        pht('Sunday'),
-        pht('Monday'),
-        pht('Tuesday'),
-        pht('Wednesday'),
-        pht('Thursday'),
-        pht('Friday'),
-        pht('Saturday'),
-      ),
-      'S' => array(
-        pht('st'),
-        pht('nd'),
-        pht('rd'),
-        pht('th'),
-      ),
-      'F' => array(
-        pht('January'),
-        pht('February'),
-        pht('March'),
-        pht('April'),
-        pht('May'),
-        pht('June'),
-        pht('July'),
-        pht('August'),
-        pht('September'),
-        pht('October'),
-        pht('November'),
-        pht('December'),
-      ),
-      'M' => array(
-        pht('Jan'),
-        pht('Feb'),
-        pht('Mar'),
-        pht('Apr'),
-        pht('May'),
-        pht('Jun'),
-        pht('Jul'),
-        pht('Aug'),
-        pht('Sep'),
-        pht('Oct'),
-        pht('Nov'),
-        pht('Dec'),
-      ),
-      'a' => array(
-        pht('am'),
-        pht('pm'),
-      ),
-      'A' => array(
-        pht('AM'),
-        pht('PM'),
-      ),
-    );
-  }
-
 }