Fix Lithuanian chars

Lithuanian language has 32 characters, it does not have letters like Q, X and W. Also removed some greek and other characters that are not from Lithuanina alphabet.

List of all Lithuanina letters can be found here:

https://lt.wikipedia.org/wiki/Lietuvi%C5%B3_ab%C4%97c%C4%97l%C4%97

easyocr/character/lt_char.txt

@@ -1,81 +1,64 @@
 A
+Ą
 B
 C
+Č
 D
 E
+Ę
+Ė
 F
 G
 H
 I
+Į
+Y
 J
 K
 L
 M
 N
 O
 P
-Q
 R
 S
+Š
 T
 U
+Ų
+Ū
 V
-W
-X
-Y
 Z
+Ž
 a
+ą
 b
 c
+č
 d
 e
+ę
+ė
 f
 g
 h
 i
+į
+y
 j
 k
 l
 m
 n
 o
 p
-q
 r
 s
+š
 t
 u
+ų
+ū
 v
-w
-x
-y
 z
-ß
-à
-á
-â
-ã
-ä
-ç
-è
-é
-ë
-í
-ó
-ô
-õ
-ö
-ø
-ú
-ü
-ą
-ę
-Į
-į
-Ł
-ł
-Š
-š
-ų
-Ž
 ž