fix: remove s390x from release workflow

Author: allozaur

.github/workflows/release.yml

@@ -123,8 +123,6 @@ jobs:
             os: ubuntu-22.04
           - build: 'arm64'
             os: ubuntu-24.04-arm
-          - build: 's390x'
-            os: ubuntu-24.04-s390x
 
     runs-on: ${{ matrix.os }}
 
@@ -142,7 +140,6 @@ jobs:
           path: tools/server/public/
 
       - name: ccache
-        if: ${{ matrix.build != 's390x' }}
         uses: ggml-org/ccache-action@v1.2.21
         with:
           key: ubuntu-cpu-${{ matrix.build }}
@@ -1310,7 +1307,6 @@ jobs:
             **Linux:**
             - [Ubuntu x64 (CPU)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-x64.tar.gz)
             - [Ubuntu arm64 (CPU)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-arm64.tar.gz)
-            - [Ubuntu s390x (CPU)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-s390x.tar.gz)
             - [Ubuntu x64 (Vulkan)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-vulkan-x64.tar.gz)
             - [Ubuntu arm64 (Vulkan)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-vulkan-arm64.tar.gz)
             - [Ubuntu x64 (ROCm 7.2)](https://github.com/ggml-org/llama.cpp/releases/download/${{ steps.tag.outputs.name }}/llama-${{ steps.tag.outputs.name }}-bin-ubuntu-rocm-7.2-x64.tar.gz)