Drop support for LiteLoader.

Liteloader is obsolete and abandoned. It is not worth the hassle of maintenance.

src/structure/repo/LibRepo.struct.ts

@@ -8,9 +8,6 @@ export class LibRepoStructure extends BaseMavenRepo {
     public static readonly FORGE_GROUP = 'net.minecraftforge'
     public static readonly FORGE_ARTIFACT = 'forge'
 
-    public static readonly LITELOADER_GROUP = 'com.mumfrey'
-    public static readonly LITELOADER_ARTIFACT = 'liteloader'
-
     constructor(
         absoluteRoot: string,
         relativeRoot: string
@@ -29,11 +26,4 @@ export class LibRepoStructure extends BaseMavenRepo {
             version, classifier, 'jar')
     }
 
-    public getLocalLiteLoader(version: string, classifier?: string): string {
-        return this.getArtifactByComponents(
-            LibRepoStructure.LITELOADER_GROUP,
-            LibRepoStructure.LITELOADER_ARTIFACT,
-            version, classifier, 'jar')
-    }
-
 }