[turbofan] Get rid of the StructuredMacroAssembler.

test/cctest/cctest.gyp

Index: test/cctest/cctest.gyp
diff --git a/test/cctest/cctest.gyp b/test/cctest/cctest.gyp
index f9ad95f4e357fe69480ac81ed606e5b0edb1e84d..6a57763ece26ee5fda59d0e04dde25e80a8f0926 100644
--- a/test/cctest/cctest.gyp
+++ b/test/cctest/cctest.gyp
@@ -53,8 +53,6 @@
         'compiler/graph-tester.h',
         'compiler/simplified-graph-builder.cc',
         'compiler/simplified-graph-builder.h',
-        'compiler/structured-machine-assembler.cc',
-        'compiler/structured-machine-assembler.h',
         'compiler/test-branch-combine.cc',
         'compiler/test-changes-lowering.cc',
         'compiler/test-codegen-deopt.cc',
@@ -86,8 +84,6 @@
         'compiler/test-schedule.cc',
         'compiler/test-scheduler.cc',
         'compiler/test-simplified-lowering.cc',
-        'compiler/test-structured-ifbuilder-fuzzer.cc',
-        'compiler/test-structured-machine-assembler.cc',
         'cctest.cc',
         'gay-fixed.cc',
         'gay-precision.cc',