Remove dumpkey build guards after completing code move.

Bug: 27326256
Change-Id: Ia713b23e3c898c1f10af7c61ea67f34601fdcbe3
diff --git a/tools/dumpkey/Android.mk b/tools/dumpkey/Android.mk
index bbd0656..3154914 100644
--- a/tools/dumpkey/Android.mk
+++ b/tools/dumpkey/Android.mk
@@ -14,19 +14,9 @@
 
 LOCAL_PATH := $(call my-dir)
 
-# Determine whether to build dumpkey from system/core/libmincrypt or from
-# bootable/recovery/tools. The dumpkey source is temporarily present in both
-# locations during the process of moving the tool to the recovery repository.
-# TODO(mnissler): Remove the guard after the transition is complete.
-ifndef BUILD_DUMPKEY_FROM_RECOVERY
-BUILD_DUMPKEY_FROM_RECOVERY := true
-endif
-
-ifeq ($(BUILD_DUMPKEY_FROM_RECOVERY),true)
 include $(CLEAR_VARS)
 LOCAL_MODULE := dumpkey
 LOCAL_SRC_FILES := DumpPublicKey.java
 LOCAL_JAR_MANIFEST := DumpPublicKey.mf
 LOCAL_STATIC_JAVA_LIBRARIES := bouncycastle-host
 include $(BUILD_HOST_JAVA_LIBRARY)
-endif