power: Drop unsupported platforms

Change-Id: I757c0810ae24eb36bbd1a8c02108f111d96c1eca
diff --git a/Android.mk b/Android.mk
index e1c3da3..2d446e2 100644
--- a/Android.mk
+++ b/Android.mk
@@ -21,27 +21,7 @@
 else
 
 # Include target-specific files.
-ifeq ($(call is-board-platform-in-list, msm8974), true)
-LOCAL_SRC_FILES += power-8974.c
-endif
-
-ifeq ($(call is-board-platform-in-list, msm8226), true)
-LOCAL_SRC_FILES += power-8226.c
-endif
-
-ifeq ($(call is-board-platform-in-list, msm8610), true)
-LOCAL_SRC_FILES += power-8610.c
-endif
-
-ifeq ($(call is-board-platform-in-list, apq8084), true)
-LOCAL_SRC_FILES += power-8084.c
-endif
-
-ifeq ($(call is-board-platform-in-list, msm8994), true)
-LOCAL_SRC_FILES += power-8994.c
-endif
-
-ifeq ($(call is-board-platform-in-list, msm8996), true)
+ifeq ($(call is-board-platform-in-list,msm8996), true)
 LOCAL_SRC_FILES += power-8996.c
 endif
 
@@ -49,15 +29,11 @@
 LOCAL_SRC_FILES += power-8952.c
 endif
 
-ifeq ($(call is-board-platform-in-list,msm8952), true)
-LOCAL_SRC_FILES += power-8952.c
-endif
-
 ifeq ($(call is-board-platform-in-list,msm8953), true)
 LOCAL_SRC_FILES += power-8953.c
 endif
 
-ifeq ($(call is-board-platform-in-list,msm8998 apq8098_latv), true)
+ifeq ($(call is-board-platform-in-list,msm8998), true)
 LOCAL_SRC_FILES += power-8998.c
 endif
 
@@ -73,10 +49,6 @@
 LOCAL_SRC_FILES += power-710.c
 endif
 
-ifeq ($(call is-board-platform-in-list,qcs605), true)
-LOCAL_SRC_FILES += power-710.c
-endif
-
 ifeq ($(call is-board-platform-in-list,msmnile), true)
 LOCAL_SRC_FILES += power-msmnile.c
 endif