Remove addition of gpfdist_ssl test.

It fails and appears to not be maintained when:

--enable-gpfdist and --with-openssl are configured.

src/bin/gpfdist/regress/Makefile

@@ -4,23 +4,10 @@ include $(top_builddir)/src/Makefile.global
 default: installcheck
 
 REGRESS = exttab1 custom_format gpfdist2
-
-ifeq ($(enable_gpfdist),yes)
-ifeq ($(with_openssl),yes)
-	REGRESS += gpfdist_ssl
-endif
-endif
-
 PSQLDIR = $(prefix)/bin
 REGRESS_OPTS = --init-file=init_file
 
 installcheck: watchdog
-ifeq ($(enable_gpfdist),yes)
-ifeq ($(with_openssl),yes)
-	cp -rf $(MASTER_DATA_DIRECTORY)/gpfdists data/gpfdist_ssl/certs_matching
-	cp data/gpfdist_ssl/certs_matching/root.crt data/gpfdist_ssl/certs_not_matching
-endif
-endif
 	$(top_builddir)/src/test/regress/pg_regress --psqldir=$(PSQLDIR) --dbname=gpfdist_regression $(REGRESS) $(REGRESS_OPTS)
 
 watchdog: