LONDON – Anglo American said Tuesday it would offload steelmaking coal, diamond and platinum businesses and focus on critical minerals as it fights off a massive takeover bid by Australian rival BHP.After rejecting an improved takeover offer worth £34 billion ($43 billion) from BHP, which had hoped to create a copper titan, Anglo said it was accelerating plans to simplify the group and reward shareholders in a “radical” revamp.”Following completion of the asset review initiated during 2023, Anglo American plans to implement a number of major structural changes to accelerate delivery…