Revert change

Author: MaggieKimani1

src/Microsoft.OpenApi/Models/OpenApiParameter.cs

@@ -163,7 +163,7 @@ public OpenApiParameter(OpenApiParameter parameter)
             Style = parameter?.Style ?? Style;
             Explode = parameter?.Explode ?? Explode;
             AllowReserved = parameter?.AllowReserved ?? AllowReserved;
-            Schema = InitializeSchema();
+            Schema = JsonNodeCloneHelper.CloneJsonSchema(parameter?.Schema);
             Examples = parameter?.Examples != null ? new Dictionary<string, OpenApiExample>(parameter.Examples) : null;
             Example = JsonNodeCloneHelper.Clone(parameter?.Example);
             Content = parameter?.Content != null ? new Dictionary<string, OpenApiMediaType>(parameter.Content) : null;
@@ -447,15 +447,6 @@ public void SerializeAsV2WithoutReference(IOpenApiWriter writer)
 
             return Style;
         }
-
-        /// <summary>
-        /// Clones an instance of a JSON schema
-        /// </summary>
-        /// <returns></returns>
-        protected JsonSchema InitializeSchema()
-        {
-            return JsonNodeCloneHelper.CloneJsonSchema(Schema);
-        }
     }
 
     /// <summary>