remove duplicate dependency definition

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/build.gradle

@@ -199,7 +199,6 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
 
     implementation 'androidx.biometric:biometric:1.1.0'
-    implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
 
     implementation 'androidx.multidex:multidex:2.0.1'