test: fix unused import breaking kotlin compilation

Author: ArnavGarg7

extensions/intellij/src/testIntegration/kotlin/com/github/continuedev/continueintellijextension/Autocomplete.kt

@@ -10,7 +10,6 @@ import com.intellij.ide.starter.plugins.PluginConfigurator
 import com.intellij.ide.starter.project.NoProject
 import com.intellij.ide.starter.runner.Starter
 import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.Assertions.assertTrue
 import java.io.File
 import kotlin.time.Duration.Companion.seconds