Update SnackbarError strings

app/src/main/res/values/strings.xml

@@ -17,4 +17,7 @@
 <resources>
     <string name="app_name">Now in Android</string>
     <string name="not_connected">⚠️ You aren’t connected to the internet</string>
+    <string name="error_default">An error occurred</string>
+    <string name="error_unknown">An unknown error occurred</string>
+    <string name="error_exception">An exception occurred</string>
 </resources>

core/ui/src/main/res/values/strings.xml

@@ -30,9 +30,4 @@
     <string name="core_ui_interests_card_follow_button_content_desc">Follow interest</string>
     <string name="core_ui_interests_card_unfollow_button_content_desc">Unfollow interest</string>
 
-    <string name="core_ui_error_offline">No internet connection</string>
-    <string name="core_ui_error_default">An error occurred</string>
-    <string name="core_ui_error_unknown">An unknown error occurred</string>
-    <string name="core_ui_error_exception">An exception occurred: %1$s</string>
-
 </resources>