Remove build-deps that are no longer needed

debian/bin/grun

@@ -1,5 +0,0 @@
-#!/bin/sh
-# TODO(infinity0): this can be removed when antlr4 provide this as a convenience script
-# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814253 for details.
-# Don't forget to update override_dh_auto_configure when you remove it.
-exec java -cp /usr/share/java/antlr4.jar:/usr/share/java/antlr4-runtime.jar org.antlr.v4.gui.TestRig "$@"

debian/control

@@ -27,16 +27,10 @@ Build-Depends: debhelper (>= 9),
                liblzma-dev:native,
 # test dependencies:
                binutils (>= 2.26) <!nocheck> | binutils-2.26 <!nocheck>,
-               nodejs <!nocheck>,
-               valgrind <!nocheck>,
                git <!nocheck>,
                procps <!nocheck>,
 # below are optional tools even for 'make check'
-               antlr4 <!nocheck> | antlr <!nocheck>,
-               bison <!nocheck>,
-               flex <!nocheck>,
                gdb (>= 7.12) <!nocheck>,
-               default-jdk-headless <!nocheck> | default-jdk <!nocheck>,
 # Work around #864741. The version constraint for gdb above should already do
 # that, but this will keep things covered even in the case that they change
 # gdb-minimal to do a versioned Provides: gdb.

debian/rules

@@ -196,8 +196,7 @@ override_dh_auto_configure: debian/config.toml
 	# TODO: work-around for slightly buggy prune-unused-deps, can rm in 1.20.0
 	rmdir src/vendor/* 2>/dev/null || true
 	# Do the actual configure
-	PATH="$$PWD/debian/bin:$$PATH" \
-	    ./configure $(DEB_CONFIGURE_FLAGS)
+	./configure $(DEB_CONFIGURE_FLAGS)
 
 override_dh_auto_clean:
 	$(RM) -rf ./build ./tmp ./.cargo config.stamp config.mk Makefile