[Gradle, JS] Fix bridge between Gradle and Js IR CLI

compiler/util-io/src/org/jetbrains/kotlin/konan/file/File.kt

@@ -10,7 +10,6 @@ import java.io.BufferedReader
 import java.io.InputStream
 import java.io.InputStreamReader
 import java.io.RandomAccessFile
-import java.lang.Exception
 import java.nio.MappedByteBuffer
 import java.nio.channels.FileChannel
 import java.nio.file.*
@@ -230,4 +229,4 @@ inline fun <T : AutoCloseable?, R> T.use(block: (T) -> R): R {
             this?.close()
         }
     }
-}
+}