7150324: Stop using drop bundles in jaxp

Reviewed-by: prr, joehw
diff --git a/jaxp/make/Makefile b/jaxp/make/Makefile
index b2574d7..12f1328 100644
--- a/jaxp/make/Makefile
+++ b/jaxp/make/Makefile
@@ -91,23 +91,6 @@
   endif
 endif
 
-# Do we have the drops already downloaded?
-# Check ALT_DROPS_DIR for a full path first,
-# before trying to use the devtools path,
-# either via ALT_JDK_DEVTOOLS_DIR or /java/devtools.
-ifdef ALT_DROPS_DIR
-  DROPS_DIR = $(ALT_DROPS_DIR)
-else
-  ifdef ALT_JDK_DEVTOOLS_DIR
-    DROPS_DIR = $(ALT_JDK_DEVTOOLS_DIR)/share/jdk8-drops
-  else
-    DROPS_DIR = $(_SLASHJAVA)/devtools/share/jdk8-drops
-  endif
-endif
-
-# Add in path to drops already downloaded
-ANT_OPTIONS += -Ddrops.dir=$(DROPS_DIR)
-
 ifdef ALT_OUTPUTDIR
   OUTPUTDIR = $(ALT_OUTPUTDIR)
   ANT_OPTIONS += -Doutput.dir=$(ALT_OUTPUTDIR)
@@ -144,13 +127,17 @@
 default: all
 
 # All ant targets of interest
-ANT_TARGETS = all source drop_included build dist clobber clean sanity
+ANT_TARGETS = all build dist clobber clean sanity
 
 # Create a make target for each
 $(ANT_TARGETS):
 	cd .. && $(ANT_JAVA_HOME) $(ANT) $(ANT_OPTIONS) -version
 	cd .. && $(ANT_JAVA_HOME) $(ANT) $(ANT_OPTIONS) $@
 
+# Just for compat reasons, delete in future.
+drop_included:
+source:
+
 # Help target
 define helpenvline
 @echo "    $1";echo "        $2"
@@ -164,8 +151,6 @@
 	@echo "    $(ANT_TARGETS)"
 	@echo " "
 	@echo "  Environment or command line variables (all optional):"
-	$(call helpenvline, ALT_DROPS_DIR,\
-	       "Directory that contains the drop source bundles i.e. drops.dir")
 	$(call helpenvline, ALT_BOOTDIR,\
 	       "JAVA_HOME to use when running ant")
 	$(call helpenvline, ALT_LANGTOOLS_DIST,\