themes: remove alpha

Alpha isn’t really part of the theme. Leave it up to the user to set
alpha.

themes/catppuccin

@@ -4,7 +4,6 @@
 color=1A1826 D9E0EE
 
 [colors]
-alpha=1.0
 foreground=D9E0EE
 background=1E1D2F
 regular0=6E6C7E  # black

themes/deus

@@ -5,7 +5,6 @@
 color=2c323b eaeaea
 
 [colors]
-alpha=1.0
 background=2c323b
 foreground=eaeaea
 regular0=242a32
@@ -25,8 +24,7 @@ bright5=c858e9
 bright6=2bcec2
 bright7=ffffff
 
-## Enable if prefer Deus colors instead of inverterd fg/bg for
-## highlighting (mouse selection)
+# Enable if prefer Deus colors instead of inverterd fg/bg for
+# highlighting (mouse selection)
 # selection-foreground=2c323b
 # selection-background=eaeaea
-

themes/dracula

@@ -4,7 +4,6 @@
 color=282a36 f8f8f2
 
 [colors]
-alpha=1.0
 foreground=f8f8f2
 background=282a36
 regular0=000000  # black

themes/jetbrains-darcula

@@ -5,7 +5,6 @@
 color=202020 ffffff
 
 [colors]
-#alpha=0.80
 background=202020
 foreground=adadad
 regular0=000000  # black

themes/modus-operandi

@@ -3,7 +3,6 @@
 # See: https://protesilaos.com/emacs/modus-themes
 #
 [colors]
-alpha=1.0
 background=ffffff
 foreground=000000
 regular0=000000

themes/modus-vivendi

@@ -4,7 +4,6 @@
 #
 
 [colors]
-alpha=1.0
 background=000000
 foreground=ffffff
 regular0=000000

themes/paper-color-dark

@@ -5,7 +5,6 @@
 color=1c1c1c eeeeee
 
 [colors]
- alpha=0.80
 background=1c1c1c
 foreground=eeeeee
 regular0=1c1c1c  # black

themes/paper-color-light

@@ -5,7 +5,6 @@
 color=eeeeee 444444
 
 [colors]
- alpha=1.0
 background=eeeeee
 foreground=444444
 regular0=eeeeee  # black