Deleted unused activity_splash layout

feature/registration/src/main/res/layout/activity_splash.xml

-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@drawable/bg_splash_screen">
-
-    <TextView
-        android:id="@+id/splashText"
-        style="@style/XxInputEditText.Regular"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="@dimen/spacing_40"
-        android:background="@null"
-        android:textSize="@dimen/text_16"
-        android:text="Generating secured cryptographic keys..."
-        android:layout_marginStart="@dimen/spacing_20"
-        android:layout_marginEnd="@dimen/spacing_20"
-        android:gravity="center"
-        android:textColor="@color/white"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-</androidx.constraintlayout.widget.ConstraintLayout>
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