Re-enable now passing tests and remove redundant status file entry.

tests/language/language.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 [ $compiler == none || $compiler == precompiler || $compiler == app_jit ]
 # Other issues:
 generic_methods_type_expression_test: RuntimeError # Issue 25869
@@ skipping 47 matching lines @@
 generic_methods_test: Pass # Issue 25869
 generic_methods_new_test: Pass # Issue 25869
 generic_local_functions_test: Pass # Issue 25869
 generic_functions_test: Pass # Issue 25869
 generic_methods_generic_function_parameter_test: Pass # Issue 25869
 
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && ($runtime == vm || $runtime == dart_precompiled) ]
 class_keyword_test/02: MissingCompileTimeError # Issue 13627
 unicode_bom_test: Fail # Issue 16067
 vm/debug_break_enabled_vm_test/01: Crash, OK # Expected to hit breakpoint.
-try_catch_optimized1_test: Skip # Srdjan investigating
 
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && $checked ]
 type_variable_bounds4_test/01: Fail # Issue 14006
 
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && (($runtime == vm || $runtime == dart_precompiled) || $runtime == drt || $runtime == dartium) ]
 dynamic_prefix_core_test/none: Fail # Issue 12478
 export_ambiguous_main_negative_test: Fail # Issue 14763
 
 [ $compiler == none && $runtime == dartium && $unchecked ]
 assertion_test: Fail # Issue 14651.
@@ skipping 78 matching lines @@
 
 [ $noopt || $runtime == dart_precompiled ]
 # Stacktraces in precompilation omit inlined frames.
 full_stacktrace1_test: Pass, RuntimeError
 full_stacktrace2_test: Pass, RuntimeError
 full_stacktrace3_test: Pass, RuntimeError
 stack_trace_test: Pass, RuntimeError
 stacktrace_rethrow_error_test: Pass, RuntimeError
 stacktrace_rethrow_nonerror_test: Pass, RuntimeError
 stacktrace_test: Pass, RuntimeError
-regress_26948_test: Skip # Crashes, regis investigating
 vm/regress_28325_test: RuntimeError  # Missing source position in AOT.
 
 
 [ $noopt || $runtime == dart_precompiled || $mode == product ]
 # Imports dart:mirrors
 const_evaluation_test: SkipByDesign
 deferred_constraints_constants_test: SkipByDesign
 enum_mirror_test: SkipByDesign
 field_increment_bailout_test: SkipByDesign
 instance_creation_in_function_annotation_test: SkipByDesign
@@ skipping 148 matching lines @@
 vm/optimized_stacktrace_test: Pass, Crash # Issue 28276
 
 [$compiler == dart2analyzer]
 vm/regress_27201_test: SkipByDesign # Loads bad library, so will always crash.
 config_import_corelib_test: StaticWarning, OK
 
 null_bottom_test/none: StaticWarning, CompileTimeError # Issue 28025
 null_bottom_test/01: Pass, CompileTimeError # Issue 28025
 null_bottom_test/02: Pass, CompileTimeError # Issue 28025
 null_bottom_test/03: Pass, CompileTimeError # Issue 28025