Fix KotlinCore

KotlinCore/build.gradle.kts

@@ -59,7 +59,7 @@ sourceSets {
 dependencies {
     implementation(kotlin("reflect"))
 
-    compileOnly("org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT")
 }
 
 kotlin {

build.gradle.kts

@@ -57,13 +57,6 @@ allprojects {
     repositories {
         mavenCentral()
 
-        maven {
-            url = URI("https://repo.papermc.io/repository/maven-public/")
-            content {
-                includeGroup("com.velocitypowered")
-            }
-        }
-
         maven {
             url = URI("https://m2.dv8tion.net/releases")
             content {
@@ -110,5 +103,9 @@ allprojects {
         maven {
             url = URI("https://repo.viaversion.com")
         }
+
+        maven {
+            url = URI("https://repo.papermc.io/repository/maven-public/")
+        }
     }
 }

settings.gradle.kts

@@ -51,3 +51,5 @@ include("TutorialSystem")
 
 include("VelocityCore")
 include("VelocityCore:Persistent")
+
+include("KotlinCore")