Remove deprecated DB::DeleteFile API references #4135

Job	Run time
build-linux-cmake-with-folly	27m 20s
build-linux	16m 45s
build-fuzzers	8m 36s
build-linux-arm	14m 9s
build-examples	10m 15s
build-linux-clang10-asan	17m 28s
build-linux-clang10-clang-analyze	17m 49s
build-linux-clang10-ubsan	17m 14s
build-linux-clang13-mini-tsan	22m 41s
build-linux-clang-13-no_test_run	7m 29s
build-linux-clang-no_test_run	12m 35s
build-linux-cmake-mingw	12m 27s
build-linux-cmake-with-benchmark	19m 5s
build-linux-cmake-with-folly-coroutines	31m 19s
build-linux-cmake-with-folly-lite-no-test	7m 47s
build-linux-encrypted_env-no_compression	16m 20s
build-linux-gcc-10-cxx20-no_test_run	9m 4s
build-linux-gcc-11-no_test_run	10m 7s
build-linux-gcc-8-no_test_run	8m 37s
build-linux-java-pmd	8m 17s
build-linux-java	8m 11s
build-linux-java-static	8m 8s
build-linux-make-with-folly	28m 14s
build-linux-make-with-folly-lite-no-test	9m 23s
build-linux-mini-crashtest	28m 38s
build-linux-release	13m 42s
build-linux-release-rtti	12m 5s
build-linux-static_lib-alt_namespace-status_checked	18m 24s
build-linux-unity-and-headers	12m 42s
build-macos	20m 46s
build-macos-cmake (true)	47m 56s
build-macos-java	6m 55s
build-macos-java-static	12m 52s
build-macos-java-static-universal	9m 38s
build-macos-cmake (false)	44m 19s
build-windows-vs2019	39m 21s
check-format-and-targets	25s
	10h 17m 3s

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