message: Remove unnecessary commas in config keybindings
diff: #- { key: Copy, action: Copy }
  #- { key: L, mods: Control, action: ClearLogNotice }
  #- { key: L, mods: Control, mode: ~Vi|~Search, chars: "\x0c" }
  - #- { key: PageUp, mods: Shift, mode: ~Alt, action: ScrollPageUp, }
  + #- { key: PageUp, mods: Shift, mode: ~Alt, action: ScrollPageUp }
  #- { key: PageDown, mods: Shift, mode: ~Alt, action: ScrollPageDown }
  - #- { key: Home, mods: Shift, mode: ~Alt, action: ScrollToTop, }
  + #- { key: Home, mods: Shift, mode: ~Alt, action: ScrollToTop }
  #- { key: End, mods: Shift, mode: ~Alt, action: ScrollToBottom }
  # Vi Mode
  