Polish "Fix kotlin-server sample app"

Remove unused dependency and version from context-propogation
as it is specified by the Spring Boot dependencies bom.

Signed-off-by: onobc <chris.bono@gmail.com>

Author: onobc

samples/grpc-server-kotlin/build.gradle

@@ -2,7 +2,6 @@ plugins {
 	id 'java'
 	id 'org.springframework.boot' version '4.0.0-RC2'
 	id 'io.spring.dependency-management' version '1.1.7'
-//    id 'org.graalvm.buildtools.native' version '0.10.3'
     id 'com.google.protobuf' version '0.9.4'
     id 'org.jetbrains.kotlin.jvm' version '2.2.21'
     id 'org.jetbrains.kotlin.plugin.spring' version '2.2.21'
@@ -35,13 +34,9 @@ dependencies {
 
     implementation 'org.springframework.grpc:spring-grpc-spring-boot-starter'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
-    implementation("io.micrometer:context-propagation:1.2.0")
-    implementation 'io.grpc:grpc-services'
-    implementation "io.grpc:grpc-kotlin-stub:${kotlinStubVersion}"
-
-    implementation "org.jetbrains.kotlin:kotlin-reflect"
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core'
 	implementation "io.grpc:grpc-kotlin-stub:${kotlinStubVersion}"
+	implementation("io.micrometer:context-propagation")
 
 	testImplementation 'org.springframework.grpc:spring-grpc-test-spring-boot-autoconfigure'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

samples/grpc-server-kotlin/pom.xml

@@ -64,6 +64,10 @@
 			<artifactId>grpc-kotlin-stub</artifactId>
 			<version>${grpc.kotlin.version}</version>
 		</dependency>
+		<dependency>
+			<groupId>io.micrometer</groupId>
+			<artifactId>context-propagation</artifactId>
+		</dependency>
 
 		<dependency>
 			<groupId>org.springframework.grpc</groupId>
@@ -75,12 +79,6 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
-        <dependency>
-            <groupId>io.micrometer</groupId>
-            <artifactId>context-propagation</artifactId>
-            <version>1.2.0</version>
-        </dependency>
-
 		<dependency>
 			<!-- for testing unix domain sockets -->
 			<groupId>io.netty</groupId>