refactor!: remove unused Config struct

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

config.go

@@ -15,15 +15,3 @@ type checkConfig struct {
 	// initiallyPassing indicates when true, the check will be treated as passing before the first run; defaults to false
 	initiallyPassing bool
 }
-
-// Config defines a health Check and it's scheduling timing requirements.
-type Config struct {
-	// Check is the health Check to be scheduled for execution.
-	Check Check
-	// ExecutionPeriod is the period between successive executions.
-	ExecutionPeriod time.Duration
-	// InitialDelay is the time to delay first execution; defaults to zero.
-	InitialDelay time.Duration
-	// InitiallyPassing indicates when true, the check will be treated as passing before the first run; defaults to false
-	InitiallyPassing bool
-}