Remove unused versions

Author: jan-tennert

gradle/libs.versions.toml

@@ -41,6 +41,7 @@ android-library = { id = "com.android.library", version.ref = "agp" }
 maven-publish = { id = "com.vanniktech.maven.publish", version.ref = "maven-publish" }
 detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }
 
+compose-plugin = { id = "org.jetbrains.compose", version.ref = "compose" }
 compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 
 kotlinx-atomicfu = { id = "org.jetbrains.kotlinx.atomicfu", version.ref = "atomicfu" }