Don't nag linux x86 users to switch to net core

src/NzbDrone.Core/HealthCheck/Checks/MonoNotNetCoreCheck.cs

@@ -36,6 +36,12 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 return new HealthCheck(GetType());
             }
 
+            // Don't warn on linux x86 - we don't build x86 net core
+            if (OsInfo.IsLinux && RuntimeInformation.ProcessArchitecture == Architecture.X86)
+            {
+                return new HealthCheck(GetType());
+            }
+
             // Check for BSD
             var output = _processProvider.StartAndCapture("uname");
             if (output?.ExitCode == 0 && MonoUnames.Contains(output?.Lines.First().Content))