Remove dalvik/dexdump and rename dexdump2

Complete the migration to use art/dexdump.

Bug: 22322814
Test: make -j 50 checkbuild test-art-host-dexdump
Change-Id: Ie69bed375dff79f66add5bdb6a8b1b7e14d8a173
diff --git a/core/config.mk b/core/config.mk
index 2e3e31f..15bafeb 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -605,7 +605,7 @@
 FEC := $(HOST_OUT_EXECUTABLES)/fec
 BRILLO_UPDATE_PAYLOAD := $(HOST_OUT_EXECUTABLES)/brillo_update_payload
 
-DEXDUMP := $(HOST_OUT_EXECUTABLES)/dexdump2$(BUILD_EXECUTABLE_SUFFIX)
+DEXDUMP := $(HOST_OUT_EXECUTABLES)/dexdump$(BUILD_EXECUTABLE_SUFFIX)
 PROFMAN := $(HOST_OUT_EXECUTABLES)/profman
 
 FINDBUGS_DIR := external/owasp/sanitizer/tools/findbugs/bin