Remove Android.mk.

This project is unused.

Test: treehugger
Bug: None
Change-Id: I47224e845e42c1f09daec5f609043ff742f91624
diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index d9b04eb..0000000
--- a/Android.mk
+++ /dev/null
@@ -1,61 +0,0 @@
-#
-# Copyright 2012 Google Inc. All Rights Reserved.
-# Author: idh@google.com (Ian Hodson)
-#
-# Android makefile for the re2 regexp library.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-regexp_re2_files := \
-	util/arena.cc \
-	util/hash.cc \
-	util/rune.cc \
-	util/stringpiece.cc \
-	util/stringprintf.cc \
-	util/strutil.cc \
-	util/valgrind.cc \
-	re2/bitstate.cc \
-	re2/compile.cc \
-	re2/dfa.cc \
-	re2/filtered_re2.cc \
-	re2/mimics_pcre.cc \
-	re2/nfa.cc \
-	re2/onepass.cc \
-	re2/parse.cc \
-	re2/perl_groups.cc \
-	re2/prefilter.cc \
-	re2/prefilter_tree.cc \
-	re2/prog.cc \
-	re2/re2.cc \
-	re2/regexp.cc \
-	re2/set.cc \
-	re2/simplify.cc \
-	re2/tostring.cc \
-	re2/unicode_casefold.cc \
-	re2/unicode_groups.cc
-
-MY_RE2_WARNING_FLAGS := \
-    -Wall -Werror \
-    -Wno-missing-field-initializers \
-    -Wno-sign-compare \
-    -Wno-tautological-undefined-compare \
-    -Wno-unused-local-typedef \
-    -Wno-unused-parameter \
-
-# Stlport version
-# =======================================================
-include $(CLEAR_VARS)
-LOCAL_MODULE := libregex-re2
-LOCAL_MODULE_TAGS := optional
-LOCAL_CPP_EXTENSION := .cc
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/re2 \
-		    external/stlport
-LOCAL_CFLAGS := $(MY_RE2_WARNING_FLAGS)
-
-LOCAL_SRC_FILES := $(regexp_re2_files)
-LOCAL_NDK_STL_VARIANT := stlport_static
-LOCAL_SDK_VERSION := 14
-include $(BUILD_STATIC_LIBRARY)
-
-MY_RE2_WARNING_FLAGS :=