Comply with GJS packaging spec

According to spec, package name should always be set to main package name in DBus name format

bin/com.github.rafostar.Clapper.Subprocess.in

@@ -1,17 +0,0 @@
-#!@GJS@
-
-/* pkg init enforces the imports path to the folder
- * named after the pkg name, but I would prefer to have
- * the bundled subprocess stored in the same directory */
-imports.searchPath.unshift('@datadir@/@PACKAGE_NAME@');
-
-const Package = imports.package;
-
-Package.init({
-  name: '@PACKAGE_NAME@.@ID_POSTFIX@',
-  version: '@PACKAGE_VERSION@',
-  prefix: '@prefix@',
-  libdir: '@libdir@',
-  datadir: '@datadir@',
-});
-Package.run(imports.src.main@ID_POSTFIX@);

bin/com.github.rafostar.Clapper.in

@@ -1,12 +1,10 @@
 #!@GJS@
 
-const Package = imports.package;
-
-Package.init({
+imports.package.init({
   name: '@PACKAGE_NAME@',
   version: '@PACKAGE_VERSION@',
   prefix: '@prefix@',
   libdir: '@libdir@',
   datadir: '@datadir@',
 });
-Package.run(imports.src.main);
+imports.package.run(imports.src.main@ID_POSTFIX@);

bin/meson.build

@@ -2,7 +2,6 @@ clapper_apps = ['', 'Remote', 'Daemon']
 
 foreach id_postfix : clapper_apps
   app_postfix = (id_postfix != '') ? '.' + id_postfix : ''
-  template_type = (id_postfix != '') ? '.Subprocess' : ''
 
   bin_conf = configuration_data()
   bin_conf.set('GJS', find_program('gjs').path())
@@ -14,7 +13,7 @@ foreach id_postfix : clapper_apps
   bin_conf.set('datadir', join_paths(get_option('prefix'), get_option('datadir')))
 
   configure_file(
-    input: 'com.github.rafostar.Clapper' + template_type + '.in',
+    input: 'com.github.rafostar.Clapper.in',
     output: 'com.github.rafostar.Clapper' + app_postfix,
     configuration: bin_conf,
     install: true,