修复主题应用

app/src/main/java/io/legato/kazusa/constant/PreferKey.kt

@@ -180,6 +180,5 @@ object PreferKey {
     const val readBarStyleFollowPage = "readBarStyleFollowPage"
     const val contentSelectSpeakMod = "contentReadAloudMod"
 
-    const val dynamicColors = "dynamicColors"
     const val themePref = "themePref"
 }