bin/runcpu: remove dead code, resolve SPEC path

src/bin/runcpu.ts

@@ -90,8 +90,6 @@ console.log("simd: " + chalk.red(argv.simd));
 console.log("sunway generation: " + chalk.red(sunwayGeneration));
 console.log(`using sysroot: ${chalk.red(sysroot)}`);
 
-const specPath = path.resolve(argv.spec);
-
 // Function to convert hash to prefix
 
 // Generate a random UUID for this run
@@ -112,7 +110,7 @@ const unalignedFlags = [
 ];
 
 
-const spec = mkSPEC(argv.spec);
+const spec = mkSPEC(path.resolve(argv.spec));
 
 const specProc = await spawnSPECWithID(
     spec,