refactor(theme): use whiskers (#207)

catppuccin-frappe.tmuxtheme

@@ -1,17 +0,0 @@
-# NOTE: you can use vars with $<var> and ${<var>} as long as the str is double quoted: ""
-# WARNING: hex colors can't contain capital letters
-
-# --> Catppuccin (Frappe)
-thm_bg="#303446"
-thm_fg="#c6d0f5"
-thm_cyan="#99d1db"
-thm_black="#292c3c"
-thm_gray="#414559"
-thm_magenta="#ca9ee6"
-thm_pink="#f4b8e4"
-thm_red="#e78284"
-thm_green="#a6d189"
-thm_yellow="#e5c890"
-thm_blue="#8caaee"
-thm_orange="#ef9f76"
-thm_black4="#626880"