Revert "hal: enable audio hal on msm8996"

This reverts commit 81f82dade75c5e27cf793a2fe06e428ef920ffa5.
diff --git a/Android.mk b/Android.mk
index 1aec7cb..ab0ad17 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,6 +1,6 @@
 # TODO:  Find a better way to separate build configs for ADP vs non-ADP devices
 ifneq ($(TARGET_BOARD_AUTO),true)
-  ifneq ($(filter msm8960 msm8226 msm8x26 msm8974 msm8x74 msm8x84 msm8084 msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+  ifneq ($(filter msm8960 msm8226 msm8x26 msm8974 msm8x74 msm8x84 msm8084 msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
 
     MY_LOCAL_PATH := $(call my-dir)
 
diff --git a/hal/Android.mk b/hal/Android.mk
index d55e37a..d482e97 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -10,7 +10,7 @@
 ifneq ($(filter msm8960,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="2"
 endif
-ifneq ($(filter msm8974 msm8226 msm8084 msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8974 msm8226 msm8084 msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM = msm8974
 ifneq ($(filter msm8974,$(TARGET_BOARD_PLATFORM)),)
@@ -35,12 +35,6 @@
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
   LOCAL_CFLAGS += -DKPI_OPTIMIZE_ENABLED
 endif
-ifneq ($(filter msm8996,$(TARGET_BOARD_PLATFORM)),)
-  LOCAL_CFLAGS := -DPLATFORM_MSM8996
-  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
-  LOCAL_CFLAGS += -DKPI_OPTIMIZE_ENABLED
-endif
-
 endif
 
 LOCAL_SRC_FILES := \
@@ -105,7 +99,7 @@
     LOCAL_SRC_FILES += audio_extn/dsm_feedback.c
 endif
 
-ifneq ($(filter msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
   # push codec/mad calibration to HW dep node
   # applicable to msm8992/8994 or newer platforms
   LOCAL_CFLAGS += -DHWDEP_CAL_ENABLED
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index 1a8550c..b8aa9fc 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -1,4 +1,4 @@
-ifneq ($(filter msm8974 msm8226 msm8084 msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8974 msm8226 msm8084 msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
 
 LOCAL_PATH:= $(call my-dir)
 
@@ -33,7 +33,7 @@
 
 ################################################################################
 
-ifneq ($(filter msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
 
 include $(CLEAR_VARS)