electrum-nmc: Don't include protobuf if BIP70 disabled

projects/electrum-nmc/build

@@ -23,7 +23,9 @@ cd packages
   tar -C . -xf $rootdir/[% c('input_files_by_name/' _ 'qrcode') %]
 [% END %]
 
-tar -C . -xf $rootdir/[% c('input_files_by_name/protobuf') %]/python-protobuf.tar.gz
+[% IF c("var/enable_bip70") %]
+  tar -C . -xf $rootdir/[% c('input_files_by_name/protobuf') %]/python-protobuf.tar.gz
+[% END %]
 
 cd ../
 python3 setup.py sdist --format=gztar

projects/electrum-nmc/config

@@ -11,6 +11,7 @@ var:
   enable_kivy: 1
   enable_plugins: 1
   enable_wallet: 1
+  enable_bip70: 1
 
 input_files:
   - project: container-image
@@ -47,6 +48,7 @@ input_files:
     name: multidict
   - project: protobuf
     name: protobuf
+    enable: '[% c("var/enable_bip70") %]'
   - project: pyaes
     name: pyaes
   - project: qdarkstyle