Update caching logic to avoid map access

Signed-off-by: Derek McGowan <derek@mcg.dev>

plugin/plugin.go

@@ -177,25 +177,6 @@ func checkUnique(r *Registration) error {
 	return nil
 }
 
-// AreRegisteredPluginsInitialized returns all registered plugins are initialized
-func AreRegisteredPluginsInitialized(plugins *Set) bool {
-	if len(register.r) != len(plugins.ordered) {
-		return false
-	}
-	for _, reg := range register.r {
-		byID, typeok := plugins.byTypeAndID[reg.Type]
-		if !typeok {
-			return false
-		}
-
-		if _, ok := byID[reg.ID]; !ok {
-			return false
-		}
-	}
-
-	return true
-}
-
 // DisableFilter filters out disabled plugins
 type DisableFilter func(r *Registration) bool