VersionPreference: account for checking state and move away from tools installer

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
index 2b8280cc..d4a96f84 100644
--- a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
+++ b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
@@ -58,15 +58,6 @@ public final class ToolsInstaller {
         this.rootShell = rootShell;
     }
 
-    public CompletionStage<String> getVersion() {
-        return Application.getComponent().getAsyncWorker().supplyAsync(() -> {
-            final List<String> output = new ArrayList<>();
-            if (rootShell.run(output, "cat /sys/module/wireguard/version") != 0 || output.isEmpty())
-                throw new RuntimeException("Unable to determine kernel module version");
-            return output.get(0);
-        });
-    }
-
     private static File getInstallDir() {
         final String path = System.getenv("PATH");
         if (path == null)