Remove more things

runtime/vm/vm_sources.gypi

Index: runtime/vm/vm_sources.gypi
diff --git a/runtime/vm/vm_sources.gypi b/runtime/vm/vm_sources.gypi
index a3d0536c88dc59c26ffb8126860a451ad5cdedf5..a8d585ca69a29de0c23cafa9a3da272e5389f2d3 100644
--- a/runtime/vm/vm_sources.gypi
+++ b/runtime/vm/vm_sources.gypi
@@ -144,9 +144,6 @@
     'debugger_ia32.cc',
     'debugger_mips.cc',
     'debugger_x64.cc',
-    'debuginfo.h',
-    'debuginfo_android.cc',
-    'debuginfo_linux.cc',
     'deferred_objects.cc',
     'deferred_objects.h',
     'deopt_instructions.cc',
@@ -162,7 +159,6 @@
     'double_conversion.cc',
     'double_conversion.h',
     'double_internals.h',
-    'elfgen.h',
     'exceptions.cc',
     'exceptions.h',
     'exceptions_test.cc',
@@ -201,10 +197,6 @@
     'gc_marker.h',
     'gc_sweeper.cc',
     'gc_sweeper.h',
-    'gdbjit_android.cc',
-    'gdbjit_android.h',
-    'gdbjit_linux.cc',
-    'gdbjit_linux.h',
     'globals.h',
     'growable_array.h',
     'growable_array_test.cc',
@@ -482,9 +474,6 @@
     'token.h',
     'token_position.cc',
     'token_position.h',
-    'trace_buffer.cc',
-    'trace_buffer.h',
-    'trace_buffer_test.cc',
     'unibrow.cc',
     'unibrow.h',
     'unibrow-inl.h',
@@ -508,8 +497,6 @@
     'virtual_memory_test.cc',
     'virtual_memory_win.cc',
     'visitor.h',
-    'vtune.cc',
-    'vtune.h',
     'weak_code.cc',
     'weak_code.h',
     'weak_table.cc',