Revert "Filtering unqualified classes stack traces using method

signature + code review changes + Additional changes"

This reverts commit 32fa010.

Added code is unmaintainable and has multiple regressions. It should
have never been merged "as is".

See eclipse-jdt#544
Fixes eclipse-jdt#543

org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AutomatedSuite.java

@@ -57,7 +57,6 @@
 import org.eclipse.jdt.debug.tests.console.ConsoleTerminateAllActionTests;
 import org.eclipse.jdt.debug.tests.console.IOConsoleTests;
 import org.eclipse.jdt.debug.tests.console.JavaDebugStackTraceConsoleTest;
-import org.eclipse.jdt.debug.tests.console.JavaStackTraceAmbiguityTest;
 import org.eclipse.jdt.debug.tests.console.JavaStackTraceConsoleTest;
 import org.eclipse.jdt.debug.tests.core.AlternateStratumTests;
 import org.eclipse.jdt.debug.tests.core.ArgumentTests;
@@ -276,7 +275,6 @@ public AutomatedSuite() {
 		addTest(new TestSuite(JavaDebugStackTraceConsoleTest.class));
 		addTest(new TestSuite(IOConsoleTests.class));
 		addTest(new TestSuite(ConsoleTerminateAllActionTests.class));
-		addTest(new TestSuite(JavaStackTraceAmbiguityTest.class));
 
 	//Core tests
 		addTest(new TestSuite(DebugEventTests.class));