ButtonTable: remove unused (#10926)

frontend/apps/reader/modules/readercropping.lua

@@ -57,8 +57,6 @@ function ReaderCropping:onPageCrop(mode)
     -- prepare bottom buttons so we know the size available for the page above it
     local button_table = ButtonTable:new{
         width = Screen:getWidth(),
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = {{
             {
                 text = _("Cancel"),

frontend/apps/reader/modules/readerstyletweak.lua

@@ -152,8 +152,6 @@ function TweakInfoWidget:init()
 
     local button_table = ButtonTable:new{
         width = content:getSize().w,
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = buttons,
         zero_sep = true,
         show_parent = self,

frontend/ui/widget/dictquicklookup.lua

@@ -543,8 +543,6 @@ function DictQuickLookup:init()
     local buttons_width = inner_width - 2*buttons_padding
     self.button_table = ButtonTable:new{
         width = buttons_width,
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = buttons,
         zero_sep = true,
         show_parent = self,

frontend/ui/widget/imageviewer.lua

@@ -208,8 +208,6 @@ function ImageViewer:init()
     }
     self.button_table = ButtonTable:new{
         width = self.width - 2*self.button_padding,
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = buttons,
         zero_sep = true,
         show_parent = self,

frontend/ui/widget/inputdialog.lua

@@ -258,8 +258,6 @@ function InputDialog:init()
     -- Buttons Table
     self.button_table = ButtonTable:new{
         width = self.width - 2*self.button_padding,
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = self.buttons,
         zero_sep = true,
         show_parent = self,

frontend/ui/widget/menu.lua

@@ -794,8 +794,6 @@ function Menu:init()
         },
         call_hold_input_on_tap = true,
         bordersize = 0,
-        text_font_face = "cfont",
-        text_font_size = 20,
         text_font_bold = false,
     }
     self.page_info = HorizontalGroup:new{

frontend/ui/widget/multiconfirmbox.lua

@@ -91,8 +91,6 @@ function MultiConfirmBox:init()
 
     local button_table = ButtonTable:new{
         width = content:getSize().w,
-        button_font_face = "cfont",
-        button_font_size = 20,
         buttons = {
             {
                 {