en: fix dengler and binghamton.

Pronounce dengler and binghamton the same way with and without a capital
letter.

Closes #895.

dictsource/en_list

@@ -1096,7 +1096,7 @@ bijou		bi:Zu:
 bikini		bIk'i:ni
 bikiny		bIk'i:ni  // -ed
 binman		bInman
-binghamton      b'IN@mt@n $capital
+binghamton      b'IN@mt@n
 bio		baIoU
 biome		baIoUm
 biped		baIpEd
@@ -4592,7 +4592,7 @@ Deborah		dEb@r@
 Declan		dEkla#n
 Delia		di:li@
 Dimitris	dI#mi:trIs
-Dengler		d'ENgl3	$capital
+Dengler		d'ENgl3
 Denise		d@ni:s
 Dennis		dEnI2s
 Derek		dErIk