Remove deprecated DB::DeleteFile API references #4072

Job	Run time
build-linux-cmake-mingw	12m 4s
check-format-and-targets	21s
build-examples	10m 35s
build-linux	16m 35s
build-linux-cmake-with-benchmark	18m 58s
build-linux-cmake-with-folly	27m 55s
build-linux-cmake-with-folly-coroutines	31m 37s
build-linux-cmake-with-folly-lite-no-test	7m 30s
build-linux-encrypted_env-no_compression	15m 34s
build-linux-make-with-folly	28m 9s
build-linux-make-with-folly-lite-no-test	9m 20s
build-linux-release	13m 47s
build-linux-release-rtti	12m 9s
build-fuzzers	8m 53s
build-linux-arm	12m 53s
build-linux-clang10-asan	17m 36s
build-linux-clang10-clang-analyze	18m 4s
build-linux-clang10-ubsan	17m 10s
build-linux-clang13-mini-tsan	22m 56s
build-linux-clang-13-no_test_run	7m 23s
build-linux-clang-no_test_run	12m 25s
build-linux-gcc-10-cxx20-no_test_run	9m 32s
build-linux-gcc-11-no_test_run	10m 34s
build-linux-gcc-8-no_test_run	8m 44s
build-linux-java	14m 28s
build-linux-java-pmd	11m 23s
build-linux-java-static	11m 25s
build-linux-mini-crashtest	28m 1s
build-linux-static_lib-alt_namespace-status_checked	18m 45s
build-linux-unity-and-headers	12m 26s
build-macos	26m 7s
build-macos-cmake (true)	47m 35s
build-macos-cmake (false)	39m 32s
build-macos-java	25m 42s
build-macos-java-static	30m 33s
build-macos-java-static-universal	24m 55s
build-windows-vs2019	54m 50s
	11h 36m 26s

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