[CI] Remove additional PPA installation on Ubuntu #2223

Job	Run time
python-lint	5s
clang-format	15s
ubuntu-clang-build	1m 55s
ubuntu-gcc-build	1m 32s
macos-clang-build	2m 19s
windows-msvc-build	4m 42s
windows-clang-build	3m 51s
ubuntu-gcc-test	4m 28s
windows-clang-test	1m 33s
macos-clang-test	3m 0s
ubuntu-clang-test	4m 51s
ubuntu-clang-sanitizer-build	1m 56s
windows-msvc-test	2m 16s
ubuntu-gcc-test-extended	4m 25s
windows-clang-test-extended	2m 19s
macos-clang-test-extended	3m 0s
ubuntu-clang-test-extended	4m 47s
ubuntu-clang-sanitizer-test	1m 48s
windows-msvc-test-extended	2m 20s
ubuntu-gcc-build-codecov	3m 55s
ubuntu-clang-sanitizer-test-extended	2m 39s
ubuntu-gcc-build-perf-stats	1m 4s
	59m 0s

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