chore(rec-28): drop DBTraceAddressSnapRangePropertyMapSpaceTest.testRemove TODO-throw stub — wip sweep

[CryptoJones]

Rec 28 #28-6d+ active-@Ignore sweep, eleventh wip-bucket deletion. The removed method has real setup, but a bare TODO() mid-body kills the remainder before the post-second-remove assertion can run:

@Test
@Ignore("wip: Debug/TraceModeling cluster #189")
public void testRemove() {
    try (Transaction tx = obj.openTransaction("Create entries")) {
        ...
        assertTrue(obj.space1.remove(entry1));
        assertTrue(obj.space1.isEmpty());
        assertTrue(entry1.getValue().isDeleted());
        assertTrue(obj.space2.remove(entry1)); // TODO: Should match by shape?
        TODO();                                 // <-- throws, dead code below
        assertTrue(obj.space2.isEmpty());
        ...
    }
}

TODO() throws UnsupportedOperationException, so the second half of the test was never being exercised. The author's open question "Should match by shape?" was not resolved into a real expected. Issue NationalSecurityAgency#189 retains the open-question record.

fix-or-delete: delete. The TODO static import stays — testSaveAndLoad (also @Ignore'd) is the file's other consumer of ghidra.lifecycle.Unfinished.TODO.

Updates docs/testing/ignore-test-inventory.md:

• wip: 34 → 33
• total properly-categorized: 54 → 53

Closes NationalSecurityAgency#189 (testRemove portion).

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