meta: Remove fish completions for httpie

There is an open bug that should be resolved before or during the
Arch Linux Bug Day coming up next month (January 2019). Either way,
manually updating the httpie version becomes impractical after some
time; it's best to apply this fix upstream instead.

.archlinux/PKGBUILDs/tari-dev/PKGBUILD

@@ -1,7 +1,5 @@
-_httpiever='1.0.0'
-
 pkgname=tari-dev
-pkgver=0.2.0
+pkgver=0.3.0
 pkgrel=1
 pkgdesc="Packages I use relating to development and other things."
 arch=('any')
@@ -34,9 +32,3 @@ depends=(vim
          texlive-latexextra
          texlive-bibtexextra
          minted)
-source=("https://raw.githubusercontent.com/jakubroztocil/httpie/${_httpiever}/extras/httpie-completion.fish")
-sha256sums=('3d0deae85526fbb580ec35a625a043fd1c585c315ca98ac4e371b714d2d1a3ec')
-
-package() {
-  install -Dm 644 httpie-completion.fish  "$pkgdir"/usr/share/fish/vendor_completions.d/http.fish
-}