[llvm] [mlir] [Support] Remove cl::Sink (PR #224953)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-x86_64-linux-abi-test` running on `sie-linux-worker2` while building `llvm,mlir` at step 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/8/builds/34730

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (build-unified-tree) failure: build (failure)
...
3733.287 [1577/10/6410] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTDumperTest.cpp.o
3740.335 [1576/10/6411] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterFixtures.cpp.o
3741.583 [1575/10/6412] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTExprTest.cpp.o
3741.643 [1574/10/6413] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTVectorTest.cpp.o
3743.035 [1573/10/6414] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterObjCTest.cpp.o
3743.083 [1572/10/6415] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/CommentLexer.cpp.o
3743.148 [1571/10/6416] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/CommentParser.cpp.o
3743.183 [1570/10/6417] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/CommentTextTest.cpp.o
3745.310 [1569/10/6418] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersNarrowingTest.cpp.o
3768.094 [1568/10/6419] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o
FAILED: tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o 
/opt/ccache/bin/g++ -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/buildbot-root/abi-test/build/tools/clang/unittests -I/home/buildbot/buildbot-root/abi-test/llvm/clang/unittests -I/home/buildbot/buildbot-root/abi-test/llvm/clang/include -I/home/buildbot/buildbot-root/abi-test/build/tools/clang/include -I/home/buildbot/buildbot-root/abi-test/build/include -I/home/buildbot/buildbot-root/abi-test/llvm/llvm/include -I/home/buildbot/buildbot-root/abi-test/llvm/clang/unittests/Tooling -I/home/buildbot/buildbot-root/abi-test/llvm/third-party/unittest/googletest/include -I/home/buildbot/buildbot-root/abi-test/llvm/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-unused-but-set-parameter -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3 -DNDEBUG -std=c++17 -UNDEBUG -Wno-variadic-macros -fno-exceptions -funwind-tables -fno-rtti -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o -c /home/buildbot/buildbot-root/abi-test/llvm/clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
g++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
3776.965 [1568/9/6420] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ConceptPrinterTest.cpp.o
3777.042 [1568/8/6421] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTTypeTraitsTest.cpp.o
3777.209 [1568/7/6422] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/AttrTest.cpp.o
3778.801 [1568/6/6423] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterGenericRedeclTest.cpp.o
3779.019 [1568/5/6424] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTTraverserTest.cpp.o
3779.429 [1568/4/6425] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/DataCollectionTest.cpp.o
3780.695 [1568/3/6426] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterODRStrategiesTest.cpp.o
3781.246 [1568/2/6427] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterVisibilityTest.cpp.o
3813.976 [1568/1/6428] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/224953