Remove unused kMaxPOI.

BUG=
R=djsollen@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/62333026

git-svn-id: http://skia.googlecode.com/svn/trunk@12307 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/skpdiff/SkDiffContext.cpp b/tools/skpdiff/SkDiffContext.cpp
index f64aeac..c4a1258 100644
--- a/tools/skpdiff/SkDiffContext.cpp
+++ b/tools/skpdiff/SkDiffContext.cpp
@@ -16,9 +16,6 @@
 #include "SkDiffContext.h"
 #include "skpdiff_util.h"
 
-// Truncates the number of points of interests in JSON output to not freeze the parser
-static const int kMaxPOI = 100;
-
 SkDiffContext::SkDiffContext() {
     fDiffers = NULL;
     fDifferCount = 0;