Remove Turbine definition from config.mk

Test: m clean && m -j

Change-Id: I5444301864c2e4f08eb525c286994898f5ec2494
diff --git a/core/config.mk b/core/config.mk
index 2ce064f..16c5b10 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -650,7 +650,6 @@
 FAT16COPY := build/tools/fat16copy.py
 CHECK_LINK_TYPE := build/tools/check_link_type.py
 
-TURBINE := $(HOST_OUT_JAVA_LIBRARIES)/turbine$(COMMON_JAVA_PACKAGE_SUFFIX)
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
 MERGETAGS := build/tools/merge-event-log-tags.py