Remove zlib_fingerprint in Android.mk

This isn't used anymore.

Test: update_engine_unittests
Change-Id: I2e900c815d39c05bb5adc41c12cc8b1bba4a6ea3
diff --git a/Android.mk b/Android.mk
index 8f1de53..627d2e3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -812,15 +812,6 @@
 $(call ue-unittest-sample-image,disk_ext2_4k_empty.img)
 $(call ue-unittest-sample-image,disk_ext2_unittest.img)
 
-# Zlib Fingerprint
-# ========================================================
-include $(CLEAR_VARS)
-LOCAL_MODULE := zlib_fingerprint
-LOCAL_MODULE_CLASS := ETC
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_NATIVE_TESTS)/update_engine_unittests
-LOCAL_PREBUILT_MODULE_FILE := $(TARGET_OUT_COMMON_GEN)/zlib_fingerprint
-include $(BUILD_PREBUILT)
-
 # update_engine.conf
 # ========================================================
 include $(CLEAR_VARS)
@@ -884,8 +875,7 @@
     ue_unittest_key.pub.pem \
     ue_unittest_key2.pem \
     ue_unittest_key2.pub.pem \
-    ue_unittest_update_engine.conf \
-    zlib_fingerprint
+    ue_unittest_update_engine.conf
 LOCAL_CPP_EXTENSION := .cc
 LOCAL_CFLAGS := $(ue_common_cflags)
 LOCAL_CPPFLAGS := $(ue_common_cppflags)