private void removeRef(EquateDB equateDB, EquateRefDB ref) throws IOException {
		lock.acquire();
		try {
			long key = ref.getKey();
			refAdapter.removeRecord(key);
			refCache.delete(key);
			referenceRemoved(equateDB, ref.getAddress(), ref.getOpIndex(),
				ref.getDynamicHashValue());
		}
		finally {
			lock.release();
		}

	}
Send notification that the equate name changed
@param oldName old name
@param newName new name
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/EquateManager.java