Aperture: Remove unused variable

Change-Id: I4d59ad3865a4f6965f214b49b2e424f8a206bfd1
diff --git a/app/src/main/java/org/lineageos/aperture/CameraActivity.kt b/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
index e6a8855..7776da2 100644
--- a/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
+++ b/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
@@ -50,7 +50,6 @@
 import androidx.camera.view.LifecycleCameraController
 import androidx.camera.view.PreviewView
 import androidx.camera.view.video.AudioConfig
-import androidx.cardview.widget.CardView
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
@@ -94,7 +93,6 @@
     private val flashButton by lazy { findViewById<ImageButton>(R.id.flashButton) }
     private val flipCameraButton by lazy { findViewById<ImageButton>(R.id.flipCameraButton) }
     private val galleryButton by lazy { findViewById<ImageView>(R.id.galleryButton) }
-    private val galleryButtonCardView by lazy { findViewById<CardView>(R.id.galleryButtonCardView) }
     private val gridButton by lazy { findViewById<ImageButton>(R.id.gridButton) }
     private val gridView by lazy { findViewById<GridView>(R.id.gridView) }
     private val micButton by lazy { findViewById<ImageButton>(R.id.micButton) }