Revert r97185 "Update libvpx snapshot to v0.9.7-p1 (Cayuga)."

libvpx/source/libvpx/vpx/src/vpx_encoder.c

Index: libvpx/source/libvpx/vpx/src/vpx_encoder.c
diff --git a/libvpx/source/libvpx/vpx/src/vpx_encoder.c b/libvpx/source/libvpx/vpx/src/vpx_encoder.c
index 5e86835ea05488f7ee5b10aead874384b7488eb9..db778ffc90e74f6d163b78f13415d83d5e954291 100644
--- a/libvpx/source/libvpx/vpx/src/vpx_encoder.c
+++ b/libvpx/source/libvpx/vpx/src/vpx_encoder.c
@@ -16,7 +16,6 @@
 #include <limits.h>
 #include <string.h>
 #include "vpx/internal/vpx_codec_internal.h"
-#include "vpx_config.h"
 
 #define SAVE_STATUS(ctx,var) (ctx?(ctx->err = var):var)
 
@@ -41,9 +40,6 @@ vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t      *ctx,
     else if ((flags & VPX_CODEC_USE_PSNR)
              && !(iface->caps & VPX_CODEC_CAP_PSNR))
         res = VPX_CODEC_INCAPABLE;
-    else if ((flags & VPX_CODEC_USE_OUTPUT_PARTITION)
-             && !(iface->caps & VPX_CODEC_CAP_OUTPUT_PARTITION))
-        res = VPX_CODEC_INCAPABLE;
     else
     {
         ctx->iface = iface;