Removed headers from a jumbo exclude list in cctest

Headers are not included in jumbo builds so excluding
them has no meaning and will cause problems in a future
version of jumbo. This patch removes two such headers.

Change-Id: I19eadf989ff69a4e1116ba265ecb37236d67efd4
Reviewed-on: https://chromium-review.googlesource.com/c/1290793Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#56809}

test/cctest/BUILD.gn

@@ -272,10 +272,8 @@ v8_source_set("cctest_sources") {
       # TODO(mostynb@opera.com): figure out the jumbo issues with these source
       # files, and include them in jumbo compilation units.
       "interpreter/bytecode-expectations-printer.cc",
-      "interpreter/bytecode-expectations-printer.h",
       "interpreter/test-bytecode-generator.cc",
       "test-api.cc",
-      "test-api.h",
     ]
   }