Remove unused constant

 (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) |        \

 (0 << CP0C3_SM) | (0 << CP0C3_TL))

/* Define a implementation number of 1.

   Define a major version 1, minor version 0. */

#define MIPS_FCR0 ((0 << FCR0_S) | (0x1 << FCR0_PRID) | (0x10 << FCR0_REV))

/* MMU types, the first four entries have the same layout as the

   CP0C0_MT field.  */

enum mips_mmu_types {