build: remove mksnapshot token file

.circleci/config.yml

@@ -520,7 +520,6 @@ step-electron-build: &step-electron-build
         ninja -C out/Default electron:electron_mksnapshot_zip -j $NUMBER_OF_NINJA_PROCESSES
         ninja -C out/Default tools/v8_context_snapshot -j $NUMBER_OF_NINJA_PROCESSES
         gn desc out/Default v8:run_mksnapshot_default args > out/Default/mksnapshot_args
-        touch out/Default/.electron_mksnapshot_zip_done
         rm -rf out/Default/clang_x64_v8_arm64/obj
 
         # Regenerate because we just deleted some ninja files
@@ -779,7 +778,7 @@ step-mksnapshot-build: &step-mksnapshot-build
     name: mksnapshot build
     command: |
       cd src
-      if [ ! -s "out/Default/.electron_mksnapshot_zip_done" ]; then
+      if [ "$USE_PREBUILT_V8_CONTEXT_SNAPSHOT" != "1" ]; then
         ninja -C out/Default electron:electron_mksnapshot -j $NUMBER_OF_NINJA_PROCESSES
         gn desc out/Default v8:run_mksnapshot_default args > out/Default/mksnapshot_args
       fi
@@ -795,7 +794,7 @@ step-mksnapshot-build: &step-mksnapshot-build
           electron/script/strip-binaries.py --file $PWD/out/Default/v8_context_snapshot_generator
         fi
       fi
-      if [ ! -s "out/Default/.electron_mksnapshot_zip_done" ] && [ "$SKIP_DIST_ZIP" != "1" ]; then
+      if [ "$USE_PREBUILT_V8_CONTEXT_SNAPSHOT" != "1" ] && [ "$SKIP_DIST_ZIP" != "1" ]; then
         ninja -C out/Default electron:electron_mksnapshot_zip -j $NUMBER_OF_NINJA_PROCESSES
         (cd out/Default; zip mksnapshot.zip mksnapshot_args gen/v8/embedded.S)
       fi