Remove unused Utilities-OG API

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "libs/Utilities-OG"]
-	path = libs/Utilities-OG
-	url = https://github.com/true-og/Utilities-OG

build.gradle.kts

@@ -49,7 +49,6 @@ dependencies {
     compileOnly("io.github.miniplaceholders:miniplaceholders-api:2.2.3") // Import MiniPlaceholders API.
     implementation("org.jetbrains.kotlin:kotlin-stdlib") // Import Kotlin standard library.
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2") // Import Kotlin async library.
-    compileOnlyApi(project(":libs:Utilities-OG")) // Import TrueOG Network Utilities-OG Java API (from source).
 }
 
 /* ---------------------- Reproducible jars ---------------------------- */