Switch to toybox netcat.

Time to find out what, if anything, still needs to be done to the toybox
netcat. We have a couple of users who need the toybox one already,
so it's probably ahead at this point.

Bug: N/A
Test: `nc --version`
Change-Id: I6ee3d002acb62d4cf5aa79b8c556131d16e55afa
diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index 0636929..0000000
--- a/Android.mk
+++ /dev/null
@@ -1,27 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=\
-	netcat.c \
-	atomicio.c
-
-
-LOCAL_CFLAGS:= \
-    -O2 -g \
-    -Wall -Werror \
-    -Wno-deprecated-declarations \
-    -Wno-sign-compare \
-    -Wno-unused-variable \
-
-#LOCAL_CFLAGS+=-DLINUX
-
-LOCAL_MODULE_TAGS := eng
-
-LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
-
-LOCAL_MODULE:=nc
-
-# gold in binutils 2.22 will warn about the usage of mktemp
-LOCAL_LDFLAGS += -Wl,--no-fatal-warnings
-
-include $(BUILD_EXECUTABLE)