akkuPackages.machine-code: remove all-a64.sps test

- remove 'tests/all-a64.sps' - test iterates over range of instructions
and outputs each result into logs - more than 20 millions lines total.
Build on hydra fails with 'Log limit exceeded'

pkgs/tools/package-management/akku/overrides.nix

@@ -49,6 +49,13 @@ in
     (pkg: old: removeAttrs old [ "unpackPhase" ])
   ];
 
+  machine-code = pkg: old: {
+    # fails on hydra with 'Log limit exceeded'
+    postPatch = ''
+      rm tests/all-a64.sps
+    '';
+  };
+
   # circular dependency on wak-trc-testing !?
   wak-foof-loop = skipTests;