GH-3128 Remove explicit Kotlin dependency versions

Resolves #3128

Signed-off-by: Oleg Zhurakousky <[email protected]>

Author: olegz

core/spring-cloud-stream-integration-tests/pom.xml

@@ -43,19 +43,16 @@
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-test</artifactId>
-			<version>2.1.10</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-stdlib-jdk8</artifactId>
-			<version>2.1.10</version>
 			<optional>true</optional>
 		</dependency>
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-reflect</artifactId>
-			<version>2.1.10</version>
 			<optional>true</optional>
 		</dependency>
 		<dependency>
@@ -75,7 +72,6 @@
 			<plugin>
 				<groupId>org.jetbrains.kotlin</groupId>
 				<artifactId>kotlin-maven-plugin</artifactId>
-				<version>2.1.10</version>
 				<executions>
 					<execution>
 						<id>compile</id>

core/spring-cloud-stream/pom.xml

@@ -104,13 +104,11 @@
 		<dependency>
 				<groupId>org.jetbrains.kotlin</groupId>
 				<artifactId>kotlin-reflect</artifactId>
-				<version>${kotlin-version}</version>
 				<scope>runtime</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.jetbrains.kotlinx</groupId>
 				<artifactId>kotlinx-coroutines-reactor</artifactId>
-				<version>${kotlinx-version}</version>
 				<scope>runtime</scope>
 			</dependency>
     </dependencies>

pom.xml

@@ -29,8 +29,6 @@
 		<maven-checkstyle-plugin.failsOnError>true</maven-checkstyle-plugin.failsOnError>
 		<maven-checkstyle-plugin.failsOnViolation>true</maven-checkstyle-plugin.failsOnViolation>
 		<maven-checkstyle-plugin.includeTestSourceDirectory>true</maven-checkstyle-plugin.includeTestSourceDirectory>
-		<kotlin-version>2.1.0</kotlin-version>
-		<kotlinx-version>1.10.2</kotlinx-version>
 	</properties>
 
 	<modules>