client-tools: Fix Gradle configuration

Author: jmfayard

client-tools/build.gradle

@@ -10,7 +10,7 @@ buildscript {
 apply plugin: 'kotlin'
 apply plugin: 'application'
 
-mainClassName = "io.ktor.samples.clientmultipart.MultipartAppKt"
+mainClassName = "ToolsAppKt"
 
 sourceSets {
     main.kotlin.srcDirs = ['src']

client-tools/src/ToolsApp.kt

@@ -1,6 +1,4 @@
 import io.ktor.client.*
-import io.ktor.client.call.body
-import io.ktor.client.engine.cio.*
 import io.ktor.client.request.*
 import io.ktor.client.statement.*
 import io.ktor.http.*