Remove MaxConcurrentInvocations from RecAction config

Removed the MaxConcurrentInvocations property from the RecActionOptions class and deleted the corresponding setting from the RecAction section in appsettings.json. This makes RecActionOptions an empty class.

src/ReC.API/appsettings.json

@@ -6,7 +6,6 @@
   "AllowedHosts": "*",
   "LuckyPennySoftwareLicenseKey": "eyJhbGciOiJSUzI1NiIsImtpZCI6Ikx1Y2t5UGVubnlTb2Z0d2FyZUxpY2Vuc2VLZXkvYmJiMTNhY2I1OTkwNGQ4OWI0Y2IxYzg1ZjA4OGNjZjkiLCJ0eXAiOiJKV1QifQ.eyJpc3MiOiJodHRwczovL2x1Y2t5cGVubnlzb2Z0d2FyZS5jb20iLCJhdWQiOiJMdWNreVBlbm55U29mdHdhcmUiLCJleHAiOiIxNzg0ODUxMjAwIiwiaWF0IjoiMTc1MzM2MjQ5MSIsImFjY291bnRfaWQiOiIwMTk4M2M1OWU0YjM3MjhlYmZkMzEwM2MyYTQ4NmU4NSIsImN1c3RvbWVyX2lkIjoiY3RtXzAxazB5NmV3MmQ4YTk4Mzg3aDJnbTRuOWswIiwic3ViX2lkIjoiLSIsImVkaXRpb24iOiIwIiwidHlwZSI6IjIifQ.ZqsFG7kv_-xGfxS6ACk3i0iuNiVUXX2AvPI8iAcZ6-z2170lGv__aO32tWpQccD9LCv5931lBNLWSblKS0MT3gOt-5he2TEftwiSQGFwoIBgtOHWsNRMinUrg2trceSp3IhyS3UaMwnxZDrCvx4-0O-kpOzVpizeHUAZNr5U7oSCWO34bpKdae6grtM5e3f93Z1vs7BW_iPgItd-aLvPwApbaG9VhmBTKlQ7b4Jh64y7UXJ9mKP7Qb_Oa97oEg0oY5DPHOWTZWeE1EzORgVr2qkK2DELSHuZ_EIUhODojkClPNAKtvEl_qEjpq0HZCIvGwfCCRlKlSkQqIeZdFkiXg",
   "RecAction": {
-    "MaxConcurrentInvocations": 5
   },
   // Bad request SqlException numbers numbers can be updated at runtime; no restart required.
   "SqlException": {

src/ReC.Application/Common/Options/RecActionOptions.cs

@@ -2,5 +2,4 @@
 
 public class RecActionOptions
 {
-    public int MaxConcurrentInvocations { get; set; } = 5;
-}
+}