Remove Galaxy dependency

Switched back to paper since we don't use any features from Galaxy that aren't already in paper

api/build.gradle.kts

@@ -3,9 +3,10 @@ plugins {
 }
 
 dependencies {
-    compileOnly("com.alttd:Galaxy-API:1.21-R0.1-SNAPSHOT") {
+//    compileOnly("com.alttd:Galaxy-API:1.21-R0.1-SNAPSHOT") {
 //        exclude("net.kyori")
-    }
+//    }
+    compileOnly("io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT")
     compileOnly("org.spongepowered:configurate-yaml:4.1.2") // Configurate
     compileOnly("net.luckperms:api:5.3") // Luckperms
 }
@@ -24,4 +25,4 @@ publishing {
             credentials(PasswordCredentials::class)
         }
     }
-}
+}