[Pidgin] #15011: Remove unsupported Font menu where it's not supported

[Pidgin]

#15011: Remove unsupported Font menu where it's not supported
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 Reporter:  pazpaz        |     Owner:  rekkanoryo
     Type:  enhancement   |    Status:  new       
Component:  unclassified  |   Version:  2.10.2    
 Keywords:                |  
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 Remove unsupported Font menu where it's not supported, such as on IRC (or
 add font formatting support where possible)

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Ticket URL: <http://developer.pidgin.im/ticket/15011>
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