travis: removed unused download-cache directory and nginx tarball download.

Author: thibaultcha

.travis.yml

@@ -9,10 +9,6 @@ compiler:
   - gcc
   - clang
 
-cache:
-  directories:
-  - download-cache
-
 env:
   global:
     - JOBS=3
@@ -25,10 +21,8 @@ env:
     - NGINX_VERSION=1.15.8
 
 install:
-  - if [ ! -d download-cache ]; then mkdir download-cache; fi
   - sudo apt-get install -qq -y cpanminus axel
   - sudo cpanm --notest Test::Nginx > build.log 2>&1 || (cat build.log && exit 1)
-  - wget http://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz
   - git clone https://github.com/openresty/openresty.git ../openresty
   - git clone https://github.com/openresty/nginx-devel-utils.git
   - git clone https://github.com/simpl/ngx_devel_kit.git ../ndk-nginx-module