fix(VOtpInput): remove color-scheme:dark background

Author: KaelWD

packages/vuetify/src/components/VOtpInput/VOtpInput.sass

@@ -56,6 +56,7 @@
     font: inherit
     border-style: none
     color: inherit
+    background-color: transparent
     font-size: $otp-input-field-font-size
     height: 100%
     outline: none