Tamir Duberstein e621a09181
Clippy over tests and integration-ebpf
Replace all `assert!(matches!(..))` with `assert_matches!(..)`.

Remove the now-unused build-integration-test xtask command whose logic
doesn't match that of the build-and-run command.
..
bpf_probe_read.rs Clippy over tests and integration-ebpf
btf_relocations.rs Remove procfs dependency
elf.rs integration-test: Remove integration-test-macros
load.rs Remove procfs dependency
log.rs integration-test: Remove integration-test-macros
rbpf.rs Clippy over tests and integration-ebpf
relocations.rs Clippy over tests and integration-ebpf
smoke.rs Remove procfs dependency