Remove spaces (#372)

* Remove spaces

* Apply solution wide to trim trailing whitespace

Apply to *.{cs,csx,vb,vbx}

.editorconfig

@@ -9,6 +9,7 @@ indent_style = space
 [*.{cs,csx,vb,vbx}] 
 indent_size = 4 
 insert_final_newline = true 
+trim_trailing_whitespace = true 
 charset = utf-8-bom 
 # maintain DOS/Windows style line endings in md files
 [*.md]

samples/Exporters/TestPrometheus.cs

@@ -33,7 +33,7 @@ namespace Samples
             Metric<long> metric = new Metric<long>("sample");
             var promExporter = new PrometheusExporter<long>(promOptions, metric);
             try
-            {                                
+            {
                 promExporter.Start();
                 List<KeyValuePair<string, string>> label1 = new List<KeyValuePair<string, string>>();
                 label1.Add(new KeyValuePair<string, string>("dim1", "value1"));