Temporarily disable loopfiltering_across_tiles

This is to diagnose many nightly test failures.

BUG=aomedia:1023

Change-Id: Ibf2da2cfe0fbb0e52920a007200335d672435c82
diff --git a/build/cmake/aom_config_defaults.cmake b/build/cmake/aom_config_defaults.cmake
index 6da62f4..c254eb1 100644
--- a/build/cmake/aom_config_defaults.cmake
+++ b/build/cmake/aom_config_defaults.cmake
@@ -157,7 +157,7 @@
 set(CONFIG_INTRA_EDGE 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_JNT_COMP 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_KF_CTX 1 CACHE NUMBER "AV1 experiment flag.")
-set(CONFIG_LOOPFILTERING_ACROSS_TILES 1 CACHE NUMBER "AV1 experiment flag.")
+set(CONFIG_LOOPFILTERING_ACROSS_TILES 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_LOOPFILTER_LEVEL 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_LOOP_RESTORATION 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_LPF_SB 0 CACHE NUMBER "AV1 experiment flag.")
diff --git a/configure b/configure
index 0b07c71..9c539b4 100755
--- a/configure
+++ b/configure
@@ -509,7 +509,6 @@
 
       # Provisional adopted
       soft_enable reference_buffer
-      soft_enable loopfiltering_across_tiles
       soft_enable palette_throughput
       soft_enable tempmv_signaling
       soft_enable ext_comp_refs