remove arm64 handling

Signed-off-by: leongross <[email protected]>

Author: leongross

src/os/exec_linux.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build linux && !baremetal && !tinygo.wasm && !arm64
+//go:build linux && !baremetal && !tinygo.wasm
 
 package os