fix foggy dew lyrics

src/songs/FoggyDew.typ

@@ -2,9 +2,9 @@
 
   As down the glen one Easter morn \
   To a city fair rode I \
-  There armed lines of marching men \\
+  There armed lines of marching men \
   In squadrons passed me by \
-  No fife did hum nor battle drum \\
+  No fife did hum nor battle drum \
   Did sound it's dread tatoo \
   But the Angelus bell o'er the Liffey swell \
   Rang out through the foggy dew \
@@ -44,5 +44,4 @@
   And I'd kneel and pray for you, \
   For slavery fled, O glorious dead, \
   When you fell in the foggy dew \
-
 ]