Remove deprecated Android.mk files

These directories all have Android.bp files that are always used now,
delete the Android.mk files.

Change-Id: I6fd065955a97c90768b3ccf46d24bf0f8c871199
diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index 7e28736..0000000
--- a/Android.mk
+++ /dev/null
@@ -1,119 +0,0 @@
-#
-# Copyright (C) 2014 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-LIBCXX_SRC_FILES := \
-    src/algorithm.cpp \
-    src/any.cpp \
-    src/bind.cpp \
-    src/chrono.cpp \
-    src/condition_variable.cpp \
-    src/debug.cpp \
-    src/exception.cpp \
-    src/future.cpp \
-    src/hash.cpp \
-    src/ios.cpp \
-    src/iostream.cpp \
-    src/locale.cpp \
-    src/memory.cpp \
-    src/mutex.cpp \
-    src/new.cpp \
-    src/optional.cpp \
-    src/random.cpp \
-    src/regex.cpp \
-    src/shared_mutex.cpp \
-    src/stdexcept.cpp \
-    src/string.cpp \
-    src/strstream.cpp \
-    src/system_error.cpp \
-    src/thread.cpp \
-    src/typeinfo.cpp \
-    src/utility.cpp \
-    src/valarray.cpp \
-
-LIBCXX_C_INCLUDES := \
-    $(LOCAL_PATH)/include/ \
-
-LIBCXX_CPPFLAGS := \
-    -std=c++14 \
-    -nostdinc++ \
-    -fexceptions \
-    -DLIBCXX_BUILDING_LIBCXXABI \
-
-# target static lib
-include $(CLEAR_VARS)
-LOCAL_MODULE := libc++_static
-LOCAL_CLANG := true
-LOCAL_SRC_FILES := $(LIBCXX_SRC_FILES)
-LOCAL_C_INCLUDES := $(LIBCXX_C_INCLUDES)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include external/libcxxabi/include
-LOCAL_CPPFLAGS := $(LIBCXX_CPPFLAGS)
-LOCAL_RTTI_FLAG := -frtti
-LOCAL_WHOLE_STATIC_LIBRARIES := libc++abi
-LOCAL_CXX_STL := none
-include $(BUILD_STATIC_LIBRARY)
-
-# target dynamic lib
-include $(CLEAR_VARS)
-LOCAL_MODULE := libc++
-LOCAL_CLANG := true
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include external/libcxxabi/include
-LOCAL_WHOLE_STATIC_LIBRARIES := libc++_static
-LOCAL_SHARED_LIBRARIES := libdl
-LOCAL_CXX_STL := none
-LOCAL_STATIC_LIBRARIES_arm := libunwind_llvm
-LOCAL_LDFLAGS_arm := -Wl,--exclude-libs,libunwind_llvm.a
-include $(BUILD_SHARED_LIBRARY)
-
-# host static lib
-include $(CLEAR_VARS)
-LOCAL_MODULE := libc++_static
-LOCAL_CLANG := true
-LOCAL_SRC_FILES := $(LIBCXX_SRC_FILES)
-LOCAL_C_INCLUDES := $(LIBCXX_C_INCLUDES)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include external/libcxxabi/include
-LOCAL_CPPFLAGS := $(LIBCXX_CPPFLAGS)
-LOCAL_RTTI_FLAG := -frtti
-LOCAL_WHOLE_STATIC_LIBRARIES := libc++abi
-LOCAL_MULTILIB := both
-LOCAL_CXX_STL := none
-include $(BUILD_HOST_STATIC_LIBRARY)
-
-# host dynamic lib
-include $(CLEAR_VARS)
-LOCAL_MODULE := libc++
-LOCAL_CLANG := true
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include external/libcxxabi/include
-LOCAL_LDFLAGS := -nodefaultlibs
-LOCAL_WHOLE_STATIC_LIBRARIES := libc++_static
-LOCAL_MULTILIB := both
-LOCAL_CXX_STL := none
-
-ifeq ($(HOST_OS), darwin)
-LOCAL_LDFLAGS += \
-            -Wl,-unexported_symbols_list,external/libcxx/lib/libc++unexp.exp  \
-            -Wl,-force_symbols_not_weak_list,external/libcxx/lib/notweak.exp \
-            -Wl,-force_symbols_weak_list,external/libcxx/lib/weak.exp
-else
-LOCAL_LDLIBS += -lrt -lpthread -ldl
-endif
-
-include $(BUILD_HOST_SHARED_LIBRARY)
-
-ifdef LIBCXX_TESTING
-include $(LOCAL_PATH)/buildcmds/Android.mk
-endif