Ignore operation with no operationId for now

Author: Rabah Meradi

src/main/kotlin/fr/asanokaze/openapihelper/parsing/OpenApiYamlParser.kt

@@ -47,16 +47,14 @@ class OpenApiYamlParser {
         }
 
         private fun map(path: String, method: HttpMethod, operation: Operation?): OpenApiOperation? {
-            if (operation != null) {
-                return OpenApiOperation(
-                    path = path,
-                    method = method,
-                    tags = operation.tags,
-                    operationId = operation.operationId,
-                    summary = operation.summary,
-                )
-            }
-            return null
+            operation?.operationId ?: return null
+            return OpenApiOperation(
+                path = path,
+                method = method,
+                tags = operation.tags,
+                operationId = operation.operationId,
+                summary = operation.summary,
+            )
         }