public void pruneContent(@Nonnull InsnList container) {
			while (instructions.size() > 1) {
				AbstractInsnNode next = instructions.remove(1);
				container.remove(next);
			}
		}
Prunes the instructions of this block that are not the initial label.

@param container
		Method instruction container to remove the instructions from.
recaf-core/src/main/java/software/coley/recaf/services/deobfuscation/transform/generic/DuplicateCatchMergingTransformer.java