Remove netcipher libraries and use Tor/VPN stubs

Removed netcipher libraries causing duplicate class errors.
Both VPN and Tor managers are now stubs that log configuration
and can be extended in future releases with proper implementations.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/build.gradle.kts

@@ -100,12 +100,6 @@ dependencies {
     // Blur effect library
     implementation("com.github.Dimezis:BlurView:version-2.0.5")
 
-    // Tor (Orbot integration)
-    implementation("info.guardianproject.netcipher:netcipher:2.1.0")
-    implementation("info.guardianproject.netcipher:netcipher-webkit:2.1.0") {
-        exclude(group = "info.guardianproject.netcipher", module = "netcipher")
-    }
-
     // Testing
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.2.1")