Removed two unused global variables.

Removed the global variables vp8_an and vp8_cd. vp8_an was causing problems
because it was increasing the .bss by 1572864 bytes.

Change-Id: I6c12e294133c7fb6e770c0e4536d8287a5720a87

vp8/common/postproc.c

diff --git a/vp8/common/postproc.c b/vp8/common/postproc.c
index 1670a1a..6488921 100644
--- a/vp8/common/postproc.c
+++ b/vp8/common/postproc.c
@@ -330,13 +330,6 @@
 
 }
 
-
-//Notes: It is better to change CHAR to unsigned or signed to
-//avoid error on ARM platform.
-char vp8_an[8][64][3072];
-int vp8_cd[8][64];
-
-
 double vp8_gaussian(double sigma, double mu, double x)
 {
     return 1 / (sigma * sqrt(2.0 * 3.14159265)) *