0.5.x: Remove everything deprecated #2865

Job	Run time
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	17s
check-docs	20s
cross-targets (x86_64-sun-solaris)	1m 9s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	13s
cross-tests (ubuntu-latest)	1m 46s
alternative_targets (ubuntu-latest, aarch64-linux-android)	14s
features_check (ubuntu-latest)	5m 38s
no_std (ubuntu-latest, thumbv6m-none-eabi)	21s
features_check (macos-latest)	18m 42s
rust_msrv (ubuntu-latest)	1m 7s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	15s
features_check (windows-latest)	8m 54s
rust_versions (ubuntu-latest, stable)	1m 0s
rust_versions (ubuntu-latest, beta)	59s
test_wasi (ubuntu-latest, wasm32-wasi)	22s
test_wasm (ubuntu-latest)	18s
rust_versions (ubuntu-latest, nightly)	1m 17s
timezones (ubuntu-latest, ACST-9:30)	1m 13s
timezones (ubuntu-latest, EST4)	1m 19s
timezones (ubuntu-latest, UTC0)	1m 14s
timezones (ubuntu-latest, Asia/Katmandu)	1m 15s
timezones (macos-latest, ACST-9:30)	2m 14s
timezones (macos-latest, EST4)	1m 15s
timezones (macos-latest, UTC0)	1m 23s
timezones (macos-latest, Asia/Katmandu)	1m 40s
timezones (windows-latest, ACST-9:30)	1m 30s
timezones (windows-latest, EST4)	2m 9s
timezones (windows-latest, UTC0)	1m 48s
timezones (windows-latest, Asia/Katmandu)	1m 53s
	1h 1m 45s

Provide feedback