delete old workflows
diff --git a/.github/workflows/auto-jdk-matrix.yml b/.github/workflows/auto-jdk-matrix.yml
deleted file mode 100644
index 2fb44a0..0000000
--- a/.github/workflows/auto-jdk-matrix.yml
+++ /dev/null
@@ -1,75 +0,0 @@
-name: Auto JDK Matrix Test & Install
-
-on:
-  push:
-    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]' ]
-  pull_request:
-    paths-ignore: [ '**/*.html', '**/*.md', '**/*.txt', '**/LICENSE', '**/NOTICE' ]
-    # The branches below must be a subset of the branches above
-    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]' ]
-  workflow_dispatch:
-
-env:
-  MAVEN_OPTS: -Xmx4g -Xms1g
-
-jobs:
-  build:
-    name: Build, Test, Install
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        jdk: [ 25 ]
-
-    env:
-      JDK_VERSION: ${{ matrix.jdk }}
-
-    steps:
-      - name: "Checkout ${{ github.ref }} ( ${{ github.sha }} )"
-        uses: actions/checkout@v5
-        with:
-          persist-credentials: false
-
-      - name: Print Current workflow
-        run: >
-          cat .github/workflows/auto-jdk-matrix.yml
-
-      - name: Cache local Maven repository
-        uses: actions/cache@v4
-        with:
-          path: ~/.m2/repository
-          key: build-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-          restore-keys: build-${{ runner.os }}-maven-
-
-      - name: Install Matrix JDK
-        uses: actions/setup-java@v5
-        with:
-          java-version: ${{ matrix.jdk }}
-          distribution: 'temurin'
-          java-package: jdk
-          architecture: x64
-
-      - name: Echo Java Version
-        run: >
-          java -version
-
-      - name: Test
-        run: >
-          mvn clean test -B
-          -Dmaven.javadoc.skip=true
-          -Dgpg.skip=true
-
-      - name: Install
-        run: >
-          mvn clean install -B
-          -DskipTests=true
-          -Dgpg.skip=true
-
-# Architecture options: x86, x64, armv7, aarch64, ppc64le
-# setup-java@v5 has a "with cache" option
-# Lifecycle: validate, compile, test, package, verify, install, deploy
-# -B batch mode, never stops for user input
-# -V show Version without stopping
-# -X debug mode
-# -q quiet, only show errors
diff --git a/.github/workflows/auto-os-matrix.yml b/.github/workflows/auto-os-matrix.yml
deleted file mode 100644
index 0cc35c9..0000000
--- a/.github/workflows/auto-os-matrix.yml
+++ /dev/null
@@ -1,85 +0,0 @@
-name: Auto OS Matrix Test & Install
-
-on:
-  push:
-    paths-ignore: [ '**/*.html', '**/*.md', '**/*.txt', '**/LICENSE', '**/NOTICE' ]
-    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]' ]
-  pull_request:
-    paths-ignore: [ '**/*.html', '**/*.md', '**/*.txt', '**/LICENSE', '**/NOTICE' ]
-    # The branches below must be a subset of the branches above
-    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]' ]
-  workflow_dispatch:
-
-env:
-  MAVEN_OPTS: -Xmx4g -Xms1g
-
-jobs:
-  build:
-    name: Build, Test, Install
-
-    strategy:
-      fail-fast: false
-
-      matrix:
-        jdk: [ 25 ]
-        os: [ windows-latest, ubuntu-latest, macos-latest ]
-        include:
-          - os: windows-latest
-            skip_javadoc: "`-Dmaven`.javadoc`.skip=true"
-            skip_gpg: "`-Dgpg`.skip=true"
-          - os: ubuntu-latest
-            skip_javadoc: -Dmaven.javadoc.skip=true
-            skip_gpg: -Dgpg.skip=true
-          - os: macos-latest
-            skip_javadoc: -Dmaven.javadoc.skip=true
-            skip_gpg: -Dgpg.skip=true
-
-    runs-on: ${{matrix.os}}
-
-    env:
-      JDK_VERSION: ${{ matrix.jdk }}
-
-    steps:
-      - name: "Checkout ${{ github.ref }} ( ${{ github.sha }} )"
-        uses: actions/checkout@v5
-        with:
-          persist-credentials: false
-
-      - name: Cache local Maven repository
-        uses: actions/cache@v4
-        with:
-          path: ~/.m2/repository
-          key: build-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-          restore-keys: build-${{ runner.os }}-maven-
-
-      - name: Install Matrix JDK
-        uses: actions/setup-java@v5
-        with:
-          java-version: ${{ matrix.jdk }}
-          distribution: 'temurin'
-          java-package: jdk
-          architecture: x64
-
-      - name: Echo Java Version
-        run: >
-          java -version
-
-      - name: Test
-        run: >
-          mvn clean test
-          ${{matrix.os.skip_javadoc}}
-          ${{matrix.os.skip_gpg}}
-
-      - name: Install
-        run: >
-          mvn clean install -B
-          ${{matrix.os.skip_javadoc}}
-          -D skipTests=true
-          ${{matrix.os.skip_gpg}}
-
-# Architecture options: x86, x64, armv7, aarch64, ppc64le
-# setup-java@v4 has a "with cache" option
-# Lifecycle: validate, compile, test, package, verify, install, deploy
-# -B batch mode
-# -V show Version without stopping
-# -q quiet, only show errors