makedocs.pl should remove docs/en/doctrees after reST build is complete. r=LpSolit...

https://bugzilla.mozilla.org/show_bug.cgi?id=964540

diff --git a/docs/makedocs.pl b/docs/makedocs.pl
index d29a3fb915ed93a11a51821018d1fdec523946ad..deb117ff3f9ccc85ca356b15f0e952ce3015ae61 100755 (executable)
--- a/docs/makedocs.pl
+++ b/docs/makedocs.pl
@@ -137,4 +137,6 @@ foreach my $lang (@langs) {
             say 'pdflatex or rst2pdf not found. Skipping PDF file creation';
         }
     }
+
+    rmtree('doctrees', 0, 1);
 }