remove unnecessary workflows

.github/workflows/r_revdepchecks.yml

@@ -71,144 +71,10 @@ jobs:
           $env:COMPILER = "${{ matrix.compiler }}"
           $env:TASK = "${{ matrix.task }}"
           & "$env:GITHUB_WORKSPACE/.ci/test-windows.ps1"
-  test-r-sanitizers:
-    name: r-sanitizers (ubuntu-latest, R-devel, ${{ matrix.compiler }} ASAN/UBSAN)
-    timeout-minutes: 60
-    runs-on: ubuntu-latest
-    container: wch1/r-debug
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - r_customization: san
-            compiler: gcc
-          - r_customization: csan
-            compiler: clang
-    steps:
-      - name: Trust git cloning LightGBM
-        run: |
-          git config --global --add safe.directory "${GITHUB_WORKSPACE}"
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 5
-          submodules: true
-      - name: Install packages
-        shell: bash
-        run: |
-          RDscript${{ matrix.r_customization }} -e "install.packages(c('R6', 'data.table', 'jsonlite', 'knitr', 'markdown', 'Matrix', 'RhpcBLASctl', 'testthat'), repos = 'https://cran.rstudio.com', Ncpus = parallel::detectCores())"
-          sh build-cran-package.sh --r-executable=RD${{ matrix.r_customization }}
-          RD${{ matrix.r_customization }} CMD INSTALL lightgbm_*.tar.gz || exit 1
-      - name: Run tests with sanitizers
-        shell: bash
-        run: |
-          cd R-package/tests
-          exit_code=0
-          RDscript${{ matrix.r_customization }} testthat.R >> tests.log 2>&1 || exit_code=-1
-          cat ./tests.log
-          exit ${exit_code}
-  test-r-extra-checks:
-    name: r-package (${{ matrix.image }}, R-devel)
-    timeout-minutes: 60
-    strategy:
-      fail-fast: false
-      matrix:
-        # references:
-        #   * CRAN "additional checks": https://cran.r-project.org/web/checks/check_issue_kinds.html
-        #   * images: https://r-hub.github.io/containers/containers.html
-        image:
-          - clang16
-          - clang17
-          - clang18
-          - clang19
-          - gcc14
-          - intel
-          - rchk
-    runs-on: ubuntu-latest
-    container: ghcr.io/r-hub/containers/${{ matrix.image }}:latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 5
-          submodules: true
-      - name: Install pandoc
-        uses: r-lib/actions/setup-pandoc@v2
-      - name: Install LaTeX
-        shell: bash
-        run: |
-          if type -f apt 2>&1 > /dev/null; then
-            apt-get update
-            apt-get install --no-install-recommends -y \
-                devscripts \
-                texinfo \
-                texlive-latex-extra \
-                texlive-latex-recommended \
-                texlive-fonts-recommended \
-                texlive-fonts-extra \
-                tidy \
-                qpdf
-          else
-            yum update -y
-            yum install -y \
-                devscripts \
-                qpdf \
-                texinfo \
-                texinfo-tex \
-                texlive-latex \
-                tidy
-          fi
-      - name: Install packages and run tests
-        shell: bash
-        run: |
-          Rscript -e "install.packages(c('R6', 'data.table', 'jsonlite', 'knitr', 'markdown', 'Matrix', 'RhpcBLASctl'), repos = 'https://cran.rstudio.com', Ncpus = parallel::detectCores())"
-          sh build-cran-package.sh
-
-          # 'rchk' isn't run through 'R CMD check', use the approach documented at
-          # https://r-hub.github.io/containers/local.html
-          if [[ "${{ matrix.image }}" =~ "rchk" ]]; then
-            r-check "$(pwd)" \
-            | tee ./rchk-logs.txt 2>&1
-
-            # the '-v' exceptions below are from R/rchk itself and not LightGBM:
-            # https://github.com/kalibera/rchk/issues/22#issuecomment-656036156
-            if grep -E '\[PB\]|ERROR' ./rchk-logs.txt \
-               | grep -v 'too many states' \
-               > /dev/null; \
-            then
-                echo "rchk found issues"
-                exit 1
-            else
-                echo "rchk did not find any issues"
-                exit 0
-            fi
-          fi
-
-          # 'testthat' is not needed by 'rchk', so avoid installing it until here
-          Rscript -e "install.packages('testthat', repos = 'https://cran.rstudio.com', Ncpus = parallel::detectCores())"
-
-          if [[ "${{ matrix.image }}" =~ "clang" ]]; then
-            # allowing the following NOTEs (produced by default in the clang images):
-            #
-            #   * checking compilation flags used ... NOTE
-            #       Compilation used the following non-portable flag(s):
-            #       ‘-Wp,-D_FORTIFY_SOURCE=3’
-            #
-            # even though CRAN itself sets that:
-            # https://www.stats.ox.ac.uk/pub/bdr/Rconfig/r-devel-linux-x86_64-fedora-clang
-            #
-            declare -i allowed_notes=1
-          else
-            declare -i allowed_notes=0
-          fi
-
-          bash .ci/run-r-cmd-check.sh \
-            "$(echo lightgbm_$(head -1 VERSION.txt).tar.gz)" \
-            "${allowed_notes}"
-  all-r-package-jobs-successful:
+  all-r-revdepchecks-jobs-successful:
     if: always()
     runs-on: ubuntu-latest
-    needs: [test, test-r-sanitizers, test-r-extra-checks]
+    needs: [test]
     steps:
     - name: Note that all tests succeeded
       uses: re-actors/alls-green@v1.2.2