Revert of [snapshot] Move builtins generation into mksnapshot

src/v8.gyp

Index: src/v8.gyp
diff --git a/src/v8.gyp b/src/v8.gyp
index bf6986615482a57e4334692feca6f963cd20755b..23c296f4f4c077d6d2a12310ef3e3bac079bf4e9 100644
--- a/src/v8.gyp
+++ b/src/v8.gyp
@@ -492,7 +492,6 @@
         'builtins/builtins-boolean.cc',
         'builtins/builtins-boolean-gen.cc',
         'builtins/builtins-call.cc',
-        'builtins/builtins-call-gen.cc',
         'builtins/builtins-callsite.cc',
         'builtins/builtins-console.cc',
         'builtins/builtins-constructor-gen.cc',
@@ -518,7 +517,6 @@
         'builtins/builtins-internal.cc',
         'builtins/builtins-internal-gen.cc',
         'builtins/builtins-interpreter.cc',
-        'builtins/builtins-interpreter-gen.cc',
         'builtins/builtins-json.cc',
         'builtins/builtins-math.cc',
         'builtins/builtins-math-gen.cc',
@@ -547,7 +545,6 @@
         'builtins/builtins-wasm-gen.cc',
         'builtins/builtins.cc',
         'builtins/builtins.h',
-        'builtins/setup-builtins-internal.cc',
         'cached-powers.cc',
         'cached-powers.h',
         'callable.h',
@@ -1078,8 +1075,6 @@
         'interpreter/interpreter-intrinsics.h',
         'interpreter/interpreter-intrinsics-generator.cc',
         'interpreter/interpreter-intrinsics-generator.h',
-        'interpreter/setup-interpreter.h',
-        'interpreter/setup-interpreter-internal.cc',
         'isolate-inl.h',
         'isolate.cc',
         'isolate.h',
@@ -1265,8 +1260,6 @@
         'runtime/runtime.h',
         'safepoint-table.cc',
         'safepoint-table.h',
-        'setup-isolate.h',
-        'setup-isolate-full.cc',
         'signature.h',
         'simulator.h',
         'small-pointer-list.h',