contrib: mv locale-related scripts to contrib/locale/

contrib/build-linux/appimage/make_appimage.sh

@@ -136,7 +136,7 @@ break_legacy_easy_install
 
 info "preparing electrum-locale."
 (
-    "$CONTRIB/build_cleanlocale.sh"
+    "$CONTRIB/locale/build_cleanlocale.sh"
     # we want the binary to have only compiled (.mo) locale files; not source (.po) files
     rm -r "$PROJECT_ROOT/electrum/locale/locale"/*/electrum.po
 )

contrib/build-linux/sdist/README.md

@@ -52,6 +52,6 @@ The differences are as follows:
   found and used at runtime.
 - the normal tarball includes compiled (.mo) locale files, the source-only tarball does not.
   Both tarballs contain (.po) source locale files. If you are packaging for a Linux distro,
-  you probably want to compile the .mo locale files yourself (see `contrib/build_locale.sh`).
+  you probably want to compile the .mo locale files yourself (see `contrib/locale/build_locale.sh`).
 - the normal tarball includes generated `*_pb2.py` files. These are created
   using `protobuf-compiler` from `.proto` files (see `contrib/generate_payreqpb2.sh`)

contrib/build-linux/sdist/make_sdist.sh

@@ -26,7 +26,7 @@ fi
 
 info "preparing electrum-locale."
 (
-    "$CONTRIB/build_cleanlocale.sh"
+    "$CONTRIB/locale/build_cleanlocale.sh"
     # By default, include both source (.po) and compiled (.mo) locale files in the source dist.
     # Set option OMIT_UNCLEAN_FILES=1 to exclude the compiled locale files
     # see https://askubuntu.com/a/144139 (also see MANIFEST.in)