Update mrcal-java (#2214)

## Description

Updating to take advantage of the now independent mrcal-java (no longer
need to install SuiteSparse and friends!)

## Meta

Merge checklist:
- [x] Pull Request title is [short, imperative
summary](https://cbea.ms/git-commit/) of proposed changes
- [x] The description documents the _what_ and _why_
- [ ] If this PR changes behavior or adds a feature, user documentation
is updated
- [ ] If this PR touches photon-serde, all messages have been
regenerated and hashes have not changed unexpectedly
- [ ] If this PR touches configuration, this is backwards compatible
with settings back to v2025.3.2
- [ ] If this PR touches pipeline settings or anything related to data
exchange, the frontend typing is updated
- [ ] If this PR addresses a bug, a regression test for it is added

---------

Co-authored-by: Matt Morley <matthew.morley.ca@gmail.com>

.github/workflows/build.yml

@@ -50,15 +50,24 @@ jobs:
           distribution: temurin
       - name: Install RoboRIO Toolchain
         run: ./gradlew installRoboRioToolchain
+      - name: Delete duplicate toolchains
+        run: |
+          find ~/.gradle/cache/ -name *roborio-academic* -exec rm -rf {} +
+          du -h . | sort -h
+        if: matrix.os == 'ubuntu-22.04'
       # Need to publish to maven local first, so that C++ sim can pick it up
       - name: Publish photonlib to maven local
         run: ./gradlew photon-targeting:publishtomavenlocal photon-lib:publishtomavenlocal -x check
       - name: Build Java examples
         working-directory: photonlib-java-examples
-        run: ./gradlew build
+        run: |
+          ./gradlew build
+          ./gradlew clean
       - name: Build C++ examples
         working-directory: photonlib-cpp-examples
-        run: ./gradlew build
+        run: |
+          ./gradlew build
+          ./gradlew clean
   playwright-tests:
     name: "Playwright E2E tests"
     runs-on: ubuntu-22.04
@@ -84,8 +93,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 22
-      - name: Install mrcal deps
-        run: sudo apt-get update && sudo apt-get install -y libcholmod3 liblapack3 libsuitesparseconfig5
       - name: Setup tests
         working-directory: photon-client
         run: |
@@ -127,8 +134,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 22
-      - name: Install mrcal deps
-        run: sudo apt-get update && sudo apt-get install -y libcholmod3 liblapack3 libsuitesparseconfig5
       - name: Gradle Build
         run: ./gradlew photon-targeting:build photon-core:build photon-server:build -x check
       - name: Gradle Tests and Coverage
@@ -399,12 +404,6 @@ jobs:
       - uses: actions/download-artifact@v4
         with:
           name: ${{ matrix.artifact-name }}
-      # On linux, install mrcal packages
-      - run: |
-          sudo apt-get update
-          sudo apt-get install --yes libcholmod3 liblapack3 libsuitesparseconfig5
-        if: ${{ (matrix.os) == 'ubuntu-24.04' }}
-      # and actually run the jar
       - run: java -jar ${{ matrix.extraOpts }} *.jar --smoketest
         if: ${{ (matrix.os) != 'windows-latest' }}
       - run: ls *.jar | %{ Write-Host "Running $($_.Name)"; Start-Process "java" -ArgumentList "-jar `"$($_.FullName)`" --smoketest" -NoNewWindow -Wait; break }