chore(web): drop toast imports the error toast helper made unused

src/components/vaccinations/booster-mint-prompt.tsx

@@ -17,7 +17,6 @@
  * already closed by the time this appears.
  */
 import { useState } from "react";
-import { toast } from "sonner";
 import { showErrorToast } from "@/lib/errors/error-toast";
 
 import { toastWrittenOutcome } from "@/components/outcome/outcome-toast";

src/components/vaccinations/custom-vaccine-sheet.tsx

@@ -18,7 +18,6 @@
  */
 import { useState } from "react";
 import { Trash2 } from "lucide-react";
-import { toast } from "sonner";
 import { showErrorToast } from "@/lib/errors/error-toast";
 
 import {

src/components/vaccinations/vaccination-document-suggestion.tsx

@@ -18,7 +18,6 @@
  */
 import { useState } from "react";
 import { Check, Syringe } from "lucide-react";
-import { toast } from "sonner";
 import { showErrorToast } from "@/lib/errors/error-toast";
 
 import { Button } from "@/components/ui/button";

src/components/vaccinations/vaccination-sheet.tsx

@@ -20,7 +20,6 @@
  */
 import { useState } from "react";
 import { Trash2 } from "lucide-react";
-import { toast } from "sonner";
 import { showErrorToast } from "@/lib/errors/error-toast";
 
 import {