[skip ci] removed ubuntu 16.04

.gitlab-ci.yml

@@ -147,9 +147,9 @@ stages:
 ############ LICENSE HEADERS ############
 license_headers:
   stage: license
-  image: labrobotica/wolf_deps:16.04
+  image: labrobotica/wolf_deps:20.04
   cache:
-    - key: wolf-xenial
+    - key: wolf-focal
       paths:
       - ci_deps/wolf/
   except:
@@ -160,99 +160,6 @@ license_headers:
   script:
     - *license_header_definition
 
-############ UBUNTU 16.04 TESTS ############
-build_and_test_none:xenial:
-  stage: none
-  image: labrobotica/wolf_deps:16.04
-  cache:
-    - key: laserscanutils-xenial
-      paths:
-      - ci_deps/laser_scan_utils/
-    - key: wolf-xenial
-      paths:
-      - ci_deps/wolf/
-  except:
-    - master
-  before_script:
-    - *preliminaries_definition
-    - *install_wolf_definition
-    - *install_laserscanutils_definition
-  script:
-    - *build_and_test_definition
-
-build_and_test_csm:xenial:
-  stage: csm
-  image: labrobotica/wolf_deps:16.04
-  cache:
-    - key: wolf-xenial
-      paths:
-      - ci_deps/wolf/
-    - key: laserscanutils-xenial
-      paths:
-      - ci_deps/laser_scan_utils/
-    - key: csm-xenial
-      paths:
-      - ci_deps/csm/
-  except:
-    - master
-  before_script:
-    - *preliminaries_definition
-    - *install_wolf_definition
-    - *install_csm_definition
-    - *install_laserscanutils_definition
-  script:
-    - *build_and_test_definition
-
-build_and_test_falko:xenial:
-  stage: falko
-  image: labrobotica/wolf_deps:16.04
-  cache:
-    - key: wolf-xenial
-      paths:
-      - ci_deps/wolf/
-    - key: laserscanutils-xenial
-      paths:
-      - ci_deps/laser_scan_utils/
-    - key: falko-xenial
-      paths:
-      - ci_deps/falkolib/
-  except:
-    - master
-  before_script:
-    - *preliminaries_definition
-    - *install_wolf_definition
-    - *install_falko_definition
-    - *install_laserscanutils_definition
-  script:
-    - *build_and_test_definition
-    
-build_and_test_csm_falko:xenial:
-  stage: csm_falko
-  image: labrobotica/wolf_deps:16.04
-  cache:
-    - key: wolf-xenial
-      paths:
-      - ci_deps/wolf/
-    - key: laserscanutils-xenial
-      paths:
-      - ci_deps/laser_scan_utils/
-    - key: csm-xenial
-      paths:
-      - ci_deps/csm/
-    - key: falko-xenial
-      paths:
-      - ci_deps/falkolib/
-  except:
-    - master
-  before_script:
-    - *preliminaries_definition
-    - *install_wolf_definition
-    - *install_falko_definition
-    - *install_csm_definition
-    - *install_laserscanutils_definition
-  script:
-    - *build_and_test_definition
-
 ############ UBUNTU 18.04 TESTS ############
 build_and_test_none:bionic:
   stage: none