Revert "i18n: update translation from transifex"

ring-android/app/src/main/res/values-ar/strings_account.xml

...ndroid/app/src/main/res/values-ar/strings_preferences.xml

ring-android/app/src/main/res/values-bg/strings.xml

ring-android/app/src/main/res/values-bg/strings_account.xml

...pp/src/main/res/values-bg/strings_content_description.xml

...ndroid/app/src/main/res/values-bg/strings_preferences.xml

ring-android/app/src/main/res/values-ca/strings_account.xml

ring-android/app/src/main/res/values-cs_CZ/strings.xml

...android/app/src/main/res/values-cs_CZ/strings_account.xml

...oid/app/src/main/res/values-cs_CZ/strings_preferences.xml

ring-android/app/src/main/res/values-da_DK/strings.xml

...android/app/src/main/res/values-da_DK/strings_account.xml

...oid/app/src/main/res/values-da_DK/strings_preferences.xml

ring-android/app/src/main/res/values-de/strings_account.xml

ring-android/app/src/main/res/values-eo/strings.xml

ring-android/app/src/main/res/values-eo/strings_account.xml

...pp/src/main/res/values-eo/strings_content_description.xml

...ndroid/app/src/main/res/values-eo/strings_preferences.xml

ring-android/app/src/main/res/values-es/strings.xml

ring-android/app/src/main/res/values-es/strings_account.xml