tests/subp_of_interest: kill test under 5.04

Jugst3r · Jugst3r · commit 571e9c14b5a8 · 2023-09-21T11:26:45.000+02:00
This test uses aspects, which are not available in older Ada versions.
diff --git a/testsuite/tests/subp_of_interest/test.opt b/testsuite/tests/subp_of_interest/test.opt
@@ -0,0 +1 @@
+5.04a1 DEAD Uses Ada_2012 code constructs (aspects)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+5.04a1 DEAD Uses Ada_2012 code constructs (aspects)`