Revert "Retrieve ROS repository GPG keys through port 80"

This reverts commit 4822c855.

Apparently the port used by hkp is no longer blocked by the corporate firewall.

.gitlab-industrial-ci-kinetic-no-rosinstall.yml

@@ -28,7 +28,6 @@ before_script:
     DOCKER_IMAGE: "${ARTIFACT_DOCKER_URL}/flexbotics-base-devel"
     BEFORE_SCRIPT: "wget -q -O - https://git.code.tecnalia.com/tecnalia_robotics-public/gitlab_templates/raw/master/scripts/ci_run_entry_points.sh | bash"
     CATKIN_CONFIG: '--cmake-args -DCMAKE_CXX_FLAGS=-Wno-ignored-attributes -Wno-int-in-bool-context --'
-    APTKEY_STORE_SKS: "hkp://ha.pool.sks-keyservers.net:80"
   when: always
 
 industrial_ci_kinetic:

.gitlab-industrial-ci-kinetic-with-rosinstall.yml

@@ -30,7 +30,6 @@ before_script:
     DOCKER_IMAGE: "${ARTIFACT_DOCKER_URL}/flexbotics-base-devel"
     BEFORE_SCRIPT: "wget -q -O - https://git.code.tecnalia.com/tecnalia_robotics-public/gitlab_templates/raw/master/scripts/ci_run_entry_points.sh | bash"
     CATKIN_CONFIG: '--cmake-args -DCMAKE_CXX_FLAGS=-Wno-ignored-attributes -Wno-int-in-bool-context --'
-    APTKEY_STORE_SKS: "hkp://ha.pool.sks-keyservers.net:80"
   when: always
 
 industrial_ci_kinetic: