Tests: remove obsolete txt dumps in CompileKotlin...Test

Check that the client code compiles against the "broken" classpath
instead. Descriptor text dump is a part of the obsolete test
infrastructure and should not be used anymore.

compiler/testData/compileKotlinAgainstCustomBinaries/replaceAnnotationClassWithInterface/output.txt

@@ -0,0 +1 @@
+OK

compiler/testData/compileKotlinAgainstCustomBinaries/replaceAnnotationClassWithInterface/replaceAnnotationClassWithInterface.txt

@@ -1,11 +0,0 @@
-package test
-
-public fun bar(): @test.Ann kotlin.String
-
-public interface Ann {
-}
-
-@test.Ann(s = "class") public final class Test {
-    public constructor Test()
-    @test.Ann(s = "function") public final fun foo(/*0*/ @test.Ann(s = "parameter") s: @test.Ann kotlin.String): @test.Ann kotlin.String
-}