Add Remove Password UI into V2 (#4214)

# Description of Changes
- Add UI for Remove Password tool
- Fix more translation warnings that were being thrown in the console
- Add an encrypted PDF thumbnail and refactor thumbnail generation code

frontend/src/components/tooltips/useRemovePasswordTips.ts

@@ -0,0 +1,20 @@
+import { useTranslation } from 'react-i18next';
+import { TooltipContent } from '../../types/tips';
+
+export const useRemovePasswordTips = (): TooltipContent => {
+  const { t } = useTranslation();
+
+  return {
+    header: {
+      title: t("removePassword.title", "Remove Password")
+    },
+    tips: [
+      {
+        description: t(
+          "removePassword.tooltip.description",
+          "Removing password protection requires the current password that was used to encrypt the PDF. This will decrypt the document, making it accessible without a password."
+        )
+      }
+    ]
+  };
+};