Update #fish functions for screens

fish/.config/fish/functions/1screen.fish

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-function 1screen
-	~/.screenlayout/single.sh
-end

fish/.config/fish/functions/p1.fish

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+function p1
+	~/.screenlayout/prometheus-one.sh
+end

fish/.config/fish/functions/p2.fish

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+function p2
+	~/.screenlayout/prometheus-two.sh
+end

fish/.config/fish/functions/t1.fish

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+function t1
+	~/.screenlayout/titan-one.sh
+end

fish/.config/fish/functions/t2.fish

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+function t2
+	~/.screenlayout/titan-two.sh
+end