Remove bogus test

Tests failures were caused by previous incomplete implementation
of classTag.

Author: odersky

test/dotc/tests.scala

@@ -174,7 +174,6 @@ class tests extends CompilerTest {
   @Test def neg_selfInheritance = compileFile(negDir, "selfInheritance", xerrors = 6)
   @Test def neg_selfreq = compileFile(negDir, "selfreq", xerrors = 2)
   @Test def neg_singletons = compileFile(negDir, "singletons", xerrors = 8)
-  @Test def neg_shadowedImplicits = compileFile(negDir, "arrayclone-new", xerrors = 2)
   @Test def neg_ski = compileFile(negDir, "ski", xerrors = 12)
   @Test def neg_traitParamsTyper = compileFile(negDir, "traitParamsTyper", xerrors = 5)
   @Test def neg_traitParamsMixin = compileFile(negDir, "traitParamsMixin", xerrors = 2)