Disable CI cross-compile builds (#13022)

.github/workflows/build.yml

@@ -601,8 +601,9 @@ jobs:
             -DGGML_SYCL_F16=ON
           cmake --build build --config Release -j $(nproc)
 
-  build-linux-cross:
-    uses: ./.github/workflows/build-linux-cross.yml
+# Disabled for now due to sporadic issue syncing.
+#  build-linux-cross:
+#    uses: ./.github/workflows/build-linux-cross.yml
 
   macOS-latest-cmake-ios:
     runs-on: macos-latest