Remove command options that are handled by shell

com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RCmdOptions.java

@@ -88,10 +88,6 @@ public final class RCmdOptions {
         SLAVE(RCmdOptionType.BOOLEAN, true, "slave", false, "Make R run as quietly as possible"),
         INTERACTIVE(RCmdOptionType.BOOLEAN, true, "interactive", false, "Force an interactive session"),
         VERBOSE(RCmdOptionType.BOOLEAN, true, "verbose", false, "Print more information about progress"),
-        DEBUGGER(RCmdOptionType.STRING, true, "d", "debugger=NAME", null, "Run R through debugger NAME"),
-        DEBUGGER_ARGS(RCmdOptionType.STRING, false, "debugger-args=ARGS", null, "Pass ARGS as arguments to the debugger"),
-        GUI(RCmdOptionType.STRING, false, "g TYPE", "gui=TYPE", null, "Use TYPE as GUI; possible values are 'X11' (default)\nand 'Tk'."),
-        ARCH(RCmdOptionType.STRING, false, "arch=NAME", null, "Specify a sub-architecture"),
         ARGS(RCmdOptionType.BOOLEAN, true, "args", false, "Skip the rest of the command line"),
         FILE(RCmdOptionType.STRING, true, "f FILE", "file=FILE", null, "Take input from 'FILE'"),
         EXPR(RCmdOptionType.REPEATED_STRING, true, "e EXPR", null, null, "Execute 'EXPR' and exit"),