Invalid testsuite config show error message with outdated docs link

[mlenkeit]

The deeplink from to https://github.com/SAP/karma-ui5#defining-testpage does not exist anymore.

karma-ui5/lib/client/browser.js

Lines 72 to 78 in 6abbec4

	karma.log("error", [
	"No testpage is configured but multiple testsuites have been found:\n\n"
	+ testsuitePaths.join("\n")
	+ "\n\n"
	+ "Please explicitly configure a \"testpage\" in your karma config or via CLI:\n"
	+ "https://github.com/SAP/karma-ui5#defining-testpage"]);
	return;