chore: Remove lazyLoadedDiagrams from config

packages/mermaid/src/config.ts

@@ -243,6 +243,7 @@ const checkConfig = (config: MermaidConfig) => {
   if (!config) {
     return;
   }
+  // @ts-expect-error Properties were removed in v10. Warning should exist.
   if (config.lazyLoadedDiagrams || config.loadExternalDiagramsAtStartup) {
     issueWarning('LAZY_LOAD_DEPRECATED');
   }

packages/mermaid/src/config.type.ts

@@ -3,10 +3,6 @@
 import DOMPurify from 'dompurify';
 
 export interface MermaidConfig {
-  /** @deprecated use mermaid.registerLazyDiagrams instead */
-  lazyLoadedDiagrams?: string[];
-  /** @deprecated use mermaid.registerLazyDiagrams instead */
-  loadExternalDiagramsAtStartup?: boolean;
   theme?: string;
   themeVariables?: any;
   themeCSS?: string;