Update vocab.json

Change mapping from dx -> ɾ

vocab.json

@@ -1 +1 @@
-{"\u0251": 1, "\u00e6": 2, "\u0259": 3, "a\u028a": 4, "a\u026a": 5, "b": 6, "\u02a7": 7, "d": 8, "\u00f0": 9, "dx": 10, "\u025b": 11, "\u0259r": 12, "e\u026a": 13, "f": 14, "g": 15, " ": 16, "h": 17, "\u026a": 18, "i": 19, "\u02a4": 20, "k": 21, "l": 22, "m": 23, "n": 24, "\u014b": 25, "o\u028a": 26, "\u0254\u026a": 27, "p": 28, "r": 29, "s": 30, "\u0283": 31, "t": 32, "\u03b8": 33, "\u028a": 34, "u": 35, "v": 36, "w": 37, "j": 38, "z": 39, "|": 0, "[UNK]": 40, "[PAD]": 41}
+{"\u0251": 1, "\u00e6": 2, "\u0259": 3, "a\u028a": 4, "a\u026a": 5, "b": 6, "\u02a7": 7, "d": 8, "\u00f0": 9, "\u027e": 10, "\u025b": 11, "\u0259r": 12, "e\u026a": 13, "f": 14, "g": 15, " ": 16, "h": 17, "\u026a": 18, "i": 19, "\u02a4": 20, "k": 21, "l": 22, "m": 23, "n": 24, "\u014b": 25, "o\u028a": 26, "\u0254\u026a": 27, "p": 28, "r": 29, "s": 30, "\u0283": 31, "t": 32, "\u03b8": 33, "\u028a": 34, "u": 35, "v": 36, "w": 37, "j": 38, "z": 39, "|": 0, "[UNK]": 40, "[PAD]": 41}