refactor: remove captionIcon

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/utilities/KThumbnailView.kt

@@ -39,7 +39,6 @@ open class KThumbnailView: FrameLayout {
 
     private val image by lazy { thumbnail_image }
     private val playOverlay by lazy { play_overlay }
-    private val captionIcon by lazy { thumbnail_caption_icon }
     val loadIndicator: View by lazy { thumbnail_load_indicator }
 
     private val dimensDelegate = ThumbnailDimensDelegate()
@@ -111,7 +110,6 @@ open class KThumbnailView: FrameLayout {
 
         this.slide = slide
 
-        captionIcon.isVisible = slide.caption.isPresent
         loadIndicator.isVisible = slide.isInProgress
 
         dimensDelegate.setDimens(naturalWidth, naturalHeight)

app/src/main/res/layout/thumbnail_view.xml

@@ -14,14 +14,6 @@
         android:scaleType="fitCenter"
         android:contentDescription="@string/conversation_item__mms_image_description" />
 
-    <ImageView
-        android:id="@+id/thumbnail_caption_icon"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:padding="6dp"
-        android:src="@drawable/ic_caption_28"
-        android:visibility="gone" />
-
     <org.thoughtcrime.securesms.conversation.v2.utilities.ThumbnailProgressBar
         android:id="@+id/thumbnail_load_indicator"
         android:layout_width="match_parent"