Remove testing dependencies directory

Author: oschaaf

.gitmodules

@@ -1,18 +0,0 @@
-[submodule "testing-dependencies/mod_pagespeed"]
-	path = testing-dependencies/mod_pagespeed
-	url = https://github.com/apache/incubator-pagespeed-mod.git
-[submodule "testing-dependencies/ngx_cache_purge"]
-	path = testing-dependencies/ngx_cache_purge
-	url = https://github.com/FRiCKLE/ngx_cache_purge.git
-[submodule "testing-dependencies/nginx"]
-	path = testing-dependencies/nginx
-	url = https://github.com/nginx/nginx.git
-[submodule "testing-dependencies/set-misc-nginx-module"]
-	path = testing-dependencies/set-misc-nginx-module
-	url = https://github.com/openresty/set-misc-nginx-module
-[submodule "testing-dependencies/ngx_devel_kit"]
-	path = testing-dependencies/ngx_devel_kit
-	url = https://github.com/simpl/ngx_devel_kit
-[submodule "testing-dependencies/headers-more-nginx-module"]
-	path = testing-dependencies/headers-more-nginx-module
-	url = https://github.com/openresty/headers-more-nginx-module