Update Linux v8 build instructions

Author: RussellLVP

README-V8.md

@@ -53,7 +53,7 @@ Or, on Linux:
 ## Building on Linux
 On Linux, the following commands should be used to compile v8 completely from the command line.
 
-    $ gn gen --args='target_cpu="x86" is_component_build=true is_debug=false v8_use_external_startup_data=false v8_enable_i18n_support=false is_clang=false use_custom_libcxx=false' out.gn/x86.release
+    $ gn gen --args='target_cpu="x86" is_component_build=true is_debug=false v8_use_external_startup_data=false is_clang=false use_custom_libcxx=false' out.gn/x86.release
     $ ninja -C out.gn/x86.release v8 v8_libplatform
 
 The [Makefile](src/Makefile) will automatically copy the required files to the appropriate directories.