Remove no longer needed licenser references

build-logic/build.gradle.kts

@@ -12,7 +12,6 @@ dependencies {
     implementation(libs.indraPublishingSonatype)
     implementation(libs.gradleTestLogger)
     implementation(libs.gradleErrorprone)
-    implementation(libs.licenser)
     implementation(libs.gradleKotlinJvm)
     implementation(libs.gradleDokka)
     implementation(libs.spotless)

build-logic/src/main/kotlin/cloud.base-conventions.gradle.kts

@@ -1,6 +1,5 @@
 import net.kyori.indra.repository.sonatypeSnapshots
 import net.ltgt.gradle.errorprone.errorprone
-import org.cadixdev.gradle.licenser.header.HeaderStyle
 
 plugins {
     id("net.kyori.indra")

gradle/libs.versions.yml

@@ -59,7 +59,6 @@ versions:
   indra: 2.1.1
   gradleTestLogger: 3.1.0
   gradleErrorprone: 2.0.2
-  licenser: 0.6.1
   spotless: *spotless
 
 dependencies:
@@ -229,10 +228,6 @@ dependencies:
     group: net.kyori
     name: indra-publishing-sonatype
     version: { ref: indra }
-  licenser:
-    group: gradle.plugin.org.cadixdev.gradle
-    name: licenser
-    version: { ref: licenser }
   gradleTestLogger:
     group: com.adarshr
     name: gradle-test-logger-plugin