Stop using deprecated in URL constructor in PluginBasedLaunchTest

As every URL is supposed to be an URI if if tailed to parse as URI it
shouldn't parse as URL either. It's also known that it should be local
folder so one can create Path directly rather than getting it from the
URL.

Author: akurtakov

ui/org.eclipse.pde.ui.tests/src/org/eclipse/pde/ui/tests/launcher/PluginBasedLaunchTest.java

@@ -27,9 +27,7 @@
 
 import java.io.File;
 import java.io.InputStream;
-import java.net.MalformedURLException;
 import java.net.URI;
-import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Arrays;
@@ -1052,7 +1050,7 @@ private static ILaunchConfigurationWorkingCopy createPluginLaunchConfig(String n
 	private static final Pattern WHITESPACE = Pattern.compile("\\s+");
 
 	private Path getConfigurationFolder(ILaunchConfigurationWorkingCopy launchConfig)
-			throws CoreException, MalformedURLException {
+			throws CoreException {
 		ILaunch launch = new Launch(launchConfig, ILaunchManager.RUN_MODE, null);
 		var config = new EclipseApplicationLaunchConfiguration();
 		String commandLine = config.showCommandLine(launchConfig, ILaunchManager.RUN_MODE, launch, null);
@@ -1062,7 +1060,7 @@ private Path getConfigurationFolder(ILaunchConfigurationWorkingCopy launchConfig
 		try {
 			return Path.of(URI.create(configURL));
 		} catch (IllegalArgumentException e) {
-			return Path.of(new URL(configURL).getPath());
+			return Path.of(configURL);
 		}
 	}