drop first API level check for sample submission

This is no longer relevant due to Android 8 being launched such a long
time ago.

Author: thestinger

app/src/main/java/app/attestation/auditor/AttestationActivity.java

@@ -91,7 +91,6 @@ private enum Stage {
     private byte[] auditeeSerializedAttestation;
     private byte[] auditorChallenge;
     private int backgroundResource;
-    private boolean canSubmitSample;
 
     final ActivityResultLauncher<Intent> QRScannerActivityLauncher = registerForActivityResult(
             new ActivityResultContracts.StartActivityForResult(),
@@ -179,15 +178,6 @@ private enum Stage {
             "SM-N970U",
             "SM-N975U").contains(Build.MODEL);
 
-    private static int getFirstApiLevel() {
-        return Integer.parseInt(SystemProperties.get("ro.product.first_api_level",
-                Integer.toString(Build.VERSION.SDK_INT)));
-    }
-
-    private static boolean potentialSupportedAuditee() {
-        return getFirstApiLevel() >= Build.VERSION_CODES.O;
-    }
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         EdgeToEdge.enable(this);
@@ -485,16 +475,15 @@ public void onActivityResult(final int requestCode, final int resultCode, final
     public boolean onCreateOptionsMenu(final Menu menu) {
         getMenuInflater().inflate(R.menu.menu_attestation, menu);
         menu.findItem(R.id.action_clear_auditee).setEnabled(isSupportedAuditee);
-        canSubmitSample = potentialSupportedAuditee() && !BuildConfig.DEBUG;
-        menu.findItem(R.id.action_submit_sample).setEnabled(canSubmitSample);
+        menu.findItem(R.id.action_submit_sample).setEnabled(!BuildConfig.DEBUG);
         return true;
     }
 
     @Override
     public boolean onPrepareOptionsMenu(final Menu menu) {
         final boolean isRemoteVerifyEnabled = RemoteVerifyJob.isEnabled(this);
         menu.findItem(R.id.action_disable_remote_verify).setEnabled(isRemoteVerifyEnabled);
-        menu.findItem(R.id.action_submit_sample).setEnabled(canSubmitSample &&
+        menu.findItem(R.id.action_submit_sample).setEnabled(!BuildConfig.DEBUG &&
                 !SubmitSampleJob.isScheduled(this));
         return true;
     }