Fix pofix

Two of these strings were not a fix, just a removed string, so no need for pofix.
The other was not specific enough for pofix to match unambiguously.
Also, someone forgot a comma somewhere, causing a syntax error.

(cherry-picked from commit 3768dc6)

utils/pofix.py

@@ -115,7 +115,7 @@
 ("What secret Delfador?", "What secret, Delfador?"),
 ("I High Provost", "I, High Provost"),
 ("both a great combatant and leader", "both a great combatant and a leader"),
-("You must lead your men to the city and help defend it. Or recapture it if it falls before you arrive.", "You must lead your men to the city. Help defend it, or recapture it if it falls before you arrive!")
+("You must lead your men to the city and help defend it. Or recapture it if it falls before you arrive.", "You must lead your men to the city. Help defend it, or recapture it if it falls before you arrive!"),
 # fix added in 1.13.11+dev
 ("with the greatest generals, and battle tactics", "with the greatest generals and battle tactics"),
 ),
@@ -144,9 +144,7 @@
 
 # fixes added in 1.13.13+dev
 "wesnoth-sota" : (
-("Gwillyn", "Gwyllin"),
-("Tarynth", "Tarrynth"),
-("Vash Gorn", "Vash-Gorn"),
+("Welcome to my laboratory, Ardonna of Tarynth", "Welcome to my laboratory, Ardonna of Tarrynth"),
 ),
 
 "wesnoth-sotbe" : (