private void fireBlockRemoved(Address blockStartAddr) {
		program.setChanged(ProgramEvent.MEMORY_BLOCK_REMOVED, blockStartAddr, null);
		program.fireEvent(new DomainObjectChangeRecord(DomainObjectEvent.RESTORED));
	}
Returns the AddressMap from the program.

@return program address map
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/MemoryMapDB.java