tr: do not prolong â and î.

See #1388 and #875.

ChangeLog.md

@@ -29,7 +29,7 @@ updated languages:
 *  ro (Romanian) -- Andiv06
 *  shn (Shan Tay Yai) -- ronaldaug
 *  tk (Turkmen) -- Andiv06
-*  tr (Turkish) -- Gurbuzguven
+*  tr (Turkish) -- Gurbuzguven, Qchristensen
 *  uz (Uzbek) -- Andiv06
 
 new languages:

dictsource/tr_rules

@@ -30,7 +30,7 @@
      @) avru (pa avr'u
 
 .group â
-	â	 a:
+	â	 a
 
 
 .group b
@@ -153,7 +153,7 @@
      @) ın (_S2  @n
 
 .group î
-        î        i:
+        î        i
 
         
 .group j