do not create a sourcemap file

Author: jrief

MANIFEST.in

@@ -5,4 +5,3 @@ recursive-include adminsortable2/locale *
 recursive-include adminsortable2/static *
 recursive-include adminsortable2/templates *
 recursive-exclude * *.pyc
-recursive-exclude adminsortable2/static *.js.map

adminsortable2/__init__.py

@@ -1 +1 @@
-__version__ = '2.0'
+__version__ = '2.0.1'

client/build.cjs

@@ -6,6 +6,6 @@ build({
   minify: false,
   outfile: 'adminsortable2/static/adminsortable2/js/adminsortable2.js',
   plugins: [],
-  sourcemap: true,
+  sourcemap: false,
   target: ['es2020', 'chrome84', 'firefox84', 'safari14', 'edge84']
 }).catch(() => process.exit(1));