arm neon: enable poly128_t more widely

Author: mr-c

simde/arm/neon/types.h

@@ -630,11 +630,7 @@ typedef union {
     typedef  poly64x2x3_t  simde_poly64x2x3_t;
     typedef  poly64x1x4_t  simde_poly64x1x4_t;
     typedef  poly64x2x4_t  simde_poly64x2x4_t;
-    #if defined(SIMDE_ARCH_ARM_CRYPTO)
-      typedef     poly128_t     simde_poly128_t;
-    #else
-      #define SIMDE_ARM_NEON_NEED_PORTABLE_POLY_128_BIT
-    #endif
+    typedef     poly128_t     simde_poly128_t;
   #else
     #define SIMDE_ARM_NEON_NEED_PORTABLE_POLY_64_BIT
   #endif