Revert "graphics.common: add HSV format definition to 1.2"

This reverts commit 97e1a932ec52ce49e4c51527a6fce78bfa810294.

Reason for revert: broke build 

Change-Id: Ib264957e9a1de83c37e4129471b3c75522e21d08
diff --git a/configstore/1.2/ISurfaceFlingerConfigs.hal b/configstore/1.2/ISurfaceFlingerConfigs.hal
index 431b3fc..7e5f706 100644
--- a/configstore/1.2/ISurfaceFlingerConfigs.hal
+++ b/configstore/1.2/ISurfaceFlingerConfigs.hal
@@ -15,7 +15,7 @@
  */
 package android.hardware.configstore@1.2;
 
-import android.hardware.graphics.common@1.2::PixelFormat;
+import android.hardware.graphics.common@1.1::PixelFormat;
 import android.hardware.graphics.common@1.2::Dataspace;
 import @1.1::ISurfaceFlingerConfigs;
 import @1.0::OptionalBool;