[SPARK-33908][CORE][FOLLOWUP] Correct Scaladoc of resolveDependencyPa…

…ths/resolveMavenDependencies

### What changes were proposed in this pull request?
Fix un-correct doc of last change #30922 (comment)

### Why are the changes needed?
FIx doc

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Builds finished correctly.

Closes #31016 from AngersZhuuuu/SPARK-33908-FOLLOW-UP.

Authored-by: angerszhu <angers.zhu@gmail.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>

core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala

@@ -1194,11 +1194,11 @@ private[spark] object SparkSubmitUtils {
   }
 
   /**
-   * Output a comma-delimited list of paths for the downloaded jars to be added to the classpath
+   * Output a list of paths for the downloaded jars to be added to the classpath
    * (will append to jars in SparkSubmit).
    * @param artifacts Sequence of dependencies that were resolved and retrieved
-   * @param cacheDirectory directory where jars are cached
-   * @return a comma-delimited list of paths for the dependencies
+   * @param cacheDirectory Directory where jars are cached
+   * @return List of paths for the dependencies
    */
   def resolveDependencyPaths(
       artifacts: Array[AnyRef],

core/src/main/scala/org/apache/spark/util/DependencyUtils.scala

@@ -129,7 +129,7 @@ private[spark] object DependencyUtils extends Logging {
    *             2. exclude: exclusion list when download Ivy URI jar and dependency jars.
    *                The `exclude` parameter content is a ',' separated `group:module` pair string :
    *                `exclude=group:module,group:module...`
-   * @return Comma separated string list of jars downloaded.
+   * @return List of jars downloaded.
    */
   def resolveMavenDependencies(uri: URI): Seq[String] = {
     val ivyProperties = DependencyUtils.getIvyProperties()