Revert gitconfig/TODO/bw-login redactions; remove zshrc.local.example

Public key, name, email, and self-hosted URLs are fine to publish.
Remove config/shell/zshrc.local.example instead of genericizing it —
it contained personal infrastructure details with no value to others.

stages/06-scripts.sh

@@ -154,7 +154,7 @@ if [ "${_do_bw_setup:-false}" = true ]; then
     info "If you have 2FA enabled, you'll be prompted for that too."
     echo "----------------------------------------"
     echo ""
-    bw login || {
+    bw login hi@julianprester.com || {
       warn "Bitwarden login failed or was cancelled."
       warn "You can run 'bw login' manually later."
     }