templateplugin: Remove slf4j direct dependency

This is from when this was a maven project and this was needed to make
lombok happy when running under maven archetype

templateplugin/build.gradle

@@ -14,7 +14,6 @@ def runeLiteVersion = '${runelite_version}'
 
 dependencies {
 	compileOnly group: 'net.runelite', name:'client', version: runeLiteVersion
-	compileOnly 'org.slf4j:slf4j-api:1.7.25'
 
 	compileOnly 'org.projectlombok:lombok:1.18.4'
 	annotationProcessor 'org.projectlombok:lombok:1.18.4'