privacy: only domain-anchored address resolvers; drop Cake endpoints

Address-field input no longer leaves the device except toward
infrastructure implied by the typed name itself:
- remove Twitter, Mastodon, Nostr, Yat, Unstoppable Domains, FIO,
  ThorChain-name, zcash.me, and Zano alias lookups (Nostr and FIO ran
  with no setting gate at all; Zano is not even a supported chain)
- keep OpenAlias, BIP-353, .well-known, LNURL, and ENS, each toggleable
  in Settings -> Domain lookups
- BTC fee/block/restore-height queries move from mempool.cakewallet.com
  to public mempool.space (also fixes two /api/v1 paths that 404 on
  standard mempool deployments)
- PRIVACY.md updated to disclose the remaining flows (mempool.space,
  name lookups, opt-in silent payments and payjoin); issue templates and
  the translation prompt de-Caked

.github/ISSUE_TEMPLATE/bug-report.md

@@ -26,7 +26,7 @@ If applicable, add screenshots to help explain your problem.
 **Platform:**
  - OS: [e.g. iOS 15.1, Android 14]
  - Device: [e.g. iPhone 14, Galaxy S21]
- - Cake Wallet Version: [e.g. 4.12.1]
+ - Hash Bags Version: [e.g. 1.0.0]
 
 
 **Additional context**

.github/ISSUE_TEMPLATE/config.yml

@@ -1,11 +1,8 @@
 blank_issues_enabled: false
 contact_links:
   - name: Feature or Enhancement Request ✨
-    url: https://github.com/cake-tech/cake_wallet/discussions/new?category=feature-requests
-    about: Suggest an idea for Cake Wallet
-  - name: Not sure where to start?
-    url: https://docs.cakewallet.com
-    about: Start by reading checking out the guides!
+    url: https://github.com/Such-Software/hash-wallet/discussions
+    about: Suggest an idea for Hash Bags
   - name: Need help?
-    url: https://cakewallet.com/#contact
-    about: Use our live chat or send a support email!
+    url: https://hash.boats
+    about: Guides, support, and contact info