travis: Remove install_functional_test_deps function

It is no longer needed after the lua client was added as dependency
(@69561ea922ae6789703c06cbc245929d7c625db9)

.ci/clang-asan.sh

@@ -2,8 +2,6 @@
 
 set_environment /opt/neovim-deps/64
 
-install_functional_test_deps
-
 sudo pip install cpp-coveralls
 
 clang_version=3.4

.ci/common.sh

@@ -47,12 +47,6 @@ install_prebuilt_deps() {
 	fi
 }
 
-install_functional_test_deps() {
-	sudo pip install git+https://github.com/neovim/python-client.git
-	# Pass -E to let pip use PKG_CONFIG_PATH for luajit
-	sudo -E pip install lupa
-}
-
 tmpdir="$(pwd)/tmp"
 rm -rf "$tmpdir"
 mkdir -p "$tmpdir"

.ci/gcc-32.sh

@@ -1,10 +1,5 @@
 . "$CI_SCRIPTS/common.sh"
 
-# To install lupa, a temporarary functional test dependency, we require the
-# 64-bit luajit since travis version of python is 64-bit.
-export PKG_CONFIG_PATH="/opt/neovim-deps/64/usr/lib/pkgconfig"
-install_functional_test_deps
-
 set_environment /opt/neovim-deps/32
 
 # Need this to keep apt-get from removing gcc when installing libncurses

.ci/gcc.sh

@@ -2,8 +2,6 @@
 
 set_environment /opt/neovim-deps/64
 
-install_functional_test_deps
-
 sudo pip install cpp-coveralls
 
 sudo apt-get install valgrind