aya: Add `bpf_map_delete_elem` for `XskMap` #873

Job	Run time
run-integration-test (macos-12)	7m 35s
build-test-aya-bpf (x86_64, bpfel-unknown-none)	25s
lint	1m 35s
build-test-aya (x86_64-unknown-linux-gnu)	2m 30s
run-integration-test (ubuntu-22.04)	7m 49s
build-test-aya-bpf (x86_64, bpfeb-unknown-none)	25s
build-test-aya (aarch64-unknown-linux-gnu)	3m 46s
build-test-aya-bpf (aarch64, bpfel-unknown-none)	31s
build-test-aya (armv7-unknown-linux-gnueabi)	3m 52s
build-test-aya-bpf (aarch64, bpfeb-unknown-none)	24s
build-test-aya (riscv64gc-unknown-linux-gnu)	3m 54s
build-test-aya-bpf (arm, bpfel-unknown-none)	26s
build-test-aya-bpf (arm, bpfeb-unknown-none)	22s
build-test-aya-bpf (riscv64, bpfel-unknown-none)	25s
build-test-aya-bpf (riscv64, bpfeb-unknown-none)	28s
build-workflow-complete	0s
	34m 27s

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