Revert "パーミッションを追加してみた"

This reverts commit 6ac0599f4c.

app/src/main/AndroidManifest.xml

@@ -2,11 +2,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
-    <uses-feature
-        android:name="android.hardware.camera"
-        android:required="false" />
-    <uses-permission android:name="android.permission.CAMERA" />
-
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"