Unsuppress freetype, which may be our gammatext problem.

BUG=skia:

Review URL: https://codereview.chromium.org/721333003
diff --git a/tools/tsan.supp b/tools/tsan.supp
index f687014..6158bf8 100644
--- a/tools/tsan.supp
+++ b/tools/tsan.supp
@@ -17,10 +17,6 @@
 # Maybe because it's diagnosed as a use-after-free, not as a race?
 race:SkGLContextHelper
 
-# Threadsafe, should be ported to SkLazyPtr.
-race:SkFontHost_FreeType
-race:is_lcd_supported
-
 # Not threadsafe, should be fixed.
 race:RefFCI
 race:SkString