postContainersCreate: minor nitpick

There are two if statements checking for exactly same conditions:

> if hostConfig != nil && versions.LessThan(version, "1.40")

Merge these.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

api/server/router/container/container_routes.go

@@ -474,10 +474,8 @@ func (s *containerRouter) postContainersCreate(ctx context.Context, w http.Respo
 		}
 		// Ignore KernelMemoryTCP because it was added in API 1.40.
 		hostConfig.KernelMemoryTCP = 0
-	}
 
-	// Ignore Capabilities because it was added in API 1.40.
-	if hostConfig != nil && versions.LessThan(version, "1.40") {
+		// Ignore Capabilities because it was added in API 1.40.
 		hostConfig.Capabilities = nil
 	}