code cleanup: remove unnecessary pointer assignment and enum value.

- V_ALPHABET2 is a leftover from 2f8f125.
- langopts assignment is unnecessary since it's not used later in the
function.

src/libespeak-ng/voices.c

 	V_FAST,
 	V_SPEED,
 	V_DICTMIN,
-	V_ALPHABET2,
 
 	// these need a phoneme table to have been specified
 	V_REPLACE,
 		voice_languages[langix] = 0;
 	}
 
-	langopts = &new_translator->langopts;
-
-	if ((value = langopts->param[LOPT_LENGTH_MODS]) != 0)
+	if ((value = new_translator->langopts.param[LOPT_LENGTH_MODS]) != 0)
 		SetLengthMods(new_translator, value);
 
 	voice->width[0] = (voice->width[0] * 105)/100;