remove outdated testbot

Author: topi314

Testbot/build.gradle.kts

@@ -2,9 +2,7 @@ rootProject.name = "Lavalink-Parent"
 
 include(":Lavalink-Server")
 include(":protocol")
-include(":Testbot")
 include(":plugin-api")
-include("plugin-api")
 
 project(":Lavalink-Server").projectDir = file("$rootDir/LavalinkServer")
 
@@ -81,9 +79,6 @@ fun VersionCatalogBuilder.common() {
 }
 
 fun VersionCatalogBuilder.other() {
-    library("jda",             "net.dv8tion",         "JDA").version("4.1.1_135")
-    library("lavalink-client", "com.github.FredBoat", "Lavalink-Client").version("8d9b660")
-
     val mavenPublishPlugin = version("maven-publish-plugin", "0.28.0")
 
     plugin("maven-publish", "com.vanniktech.maven.publish").versionRef(mavenPublishPlugin)