remove re-throws of exceptions, which clear the stack trace (#1760)

* remove re-throws of exceptions, which clear the stack trace

* remove whitespace

src/Billing/Controllers/StripeController.cs

@@ -603,7 +603,7 @@ namespace Bit.Billing.Controllers
                 }
                 else
                 {
-                    throw e;
+                    throw;
                 }
             }
 
@@ -698,7 +698,7 @@ namespace Bit.Billing.Controllers
                 }
                 else
                 {
-                    throw e;
+                    throw;
                 }
             }