fish: Drop two patches no longer needed

packages/fish/share-functions-fish_prompt.fish.patch

@@ -1,15 +0,0 @@
-Avoid calling 'hostname' which may not exist (and will probably
-return "localhost" anyway").
-
-diff -u -r ../fish-shell-master/share/functions/fish_prompt.fish ./share/functions/fish_prompt.fish
---- ../fish-shell-master/share/functions/fish_prompt.fish	2016-03-12 15:26:01.000000000 -0500
-+++ ./share/functions/fish_prompt.fish	2016-03-13 17:49:30.550445275 -0400
-@@ -5,7 +5,7 @@
- function fish_prompt --description "Write out the prompt"
- 	# Just calculate this once, to save a few cycles when displaying the prompt
- 	if not set -q __fish_prompt_hostname
--		set -g __fish_prompt_hostname (hostname|cut -d . -f 1)
-+		set -g __fish_prompt_hostname "localhost"
- 	end
- 
- 	set -l color_cwd

packages/fish/share-functions-help.fish.patch

@@ -1,12 +0,0 @@
-diff -u -r ../fish-shell-master/share/functions/help.fish ./share/functions/help.fish
---- ../fish-shell-master/share/functions/help.fish	2016-03-12 15:26:01.000000000 -0500
-+++ ./share/functions/help.fish	2016-03-14 12:08:13.804718800 -0400
-@@ -125,7 +125,7 @@
- 		end
- 	else
- 		# Go to the web. Only include one dot in the version string
--		set -l version_string (echo $FISH_VERSION| cut -d . -f 1,2)
-+		set -l version_string current # Termux: We're building from git master for now.
- 		set page_url http://fishshell.com/docs/$version_string/$fish_help_page
- 	end
-