chore: fix test file names (#1889)

#### What type of PR is this?

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/kind cleanup

#### What this PR does / why we need it:

Removes the gen file, removes the old test file.

#### Which issue(s) this PR fixes:
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#### Special notes for your reviewer:

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Signed-off-by: Charlie Drage <charlie@charliedrage.com>

Makefile

@@ -82,12 +82,7 @@ test-openshift:
 # run commandline tests
 .PHONY: test-cmd
 test-cmd:
-	./script/test/cmd/tests_new.sh
-
-# generate commandline tests
-.PHONY: gen-cmd
-gen-cmd:
-	./script/test/cmd/make-test.sh
+	./script/test/cmd/tests.sh
 
 # run all validation tests
 .PHONY: validate