private void deleteEntry(int index) {

		if (keyCount < 3 || index >= keyCount)
			throw new AssertException();

		++index;
		if (index < keyCount) {
			int start = BASE + (index * ENTRY_SIZE);
			int end = BASE + (keyCount * ENTRY_SIZE);
			buffer.move(start, start - ENTRY_SIZE, end - start);
		}
		setKeyCount(keyCount - 1);
	}
Delete the child node entry (key and buffer ID) associated with the specified key index.
All entries after index are shifted left.
The node key count is adjusted to reflect the removal of a child.
@param index child key index
Ghidra/Framework/DB/src/main/java/db/LongKeyInteriorNode.java