8023892: test/Makefile shouldn't try to tell langtools/test/Makefile where to put output.

Reviewed-by: erikj, vromero, henryjen

test/Makefile

@@ -57,7 +57,7 @@ all: jdk_all langtools_all
 
 # Test targets
 langtools_% :
-	@$(NO_STOPPING)$(call SUBDIR_TEST, $(LANGTOOLS_DIR), JT_JAVA=$(PRODUCT_HOME) JTREG_OUTPUT_DIR=$(ALT_OUTPUTDIR)/testoutput/langtools/jtreg JTREG_HOME=$(JT_HOME) TEST="$(subst langtools_,,$@)" $(subst langtools_,,$@))
+	@$(NO_STOPPING)$(call SUBDIR_TEST, $(LANGTOOLS_DIR), JT_JAVA=$(PRODUCT_HOME) JTREG_HOME=$(JT_HOME) TEST="$(subst langtools_,,$@)" $(subst langtools_,,$@))
 
 jdk_% :
 	@$(NO_STOPPING)$(call SUBDIR_TEST, $(JDK_DIR), TEST="$@" $@)