FIX: Minor warning fixes in CI

.gitlab-ci.yml

@@ -72,8 +72,6 @@ ubuntu_boost_system:
     image: martinbeseda/lib4neuro-ubuntu-system-deps:latest
 
     before_script:
-        - echo "/usr/include:"
-        - ls /usr/include
         - export TERM=xterm
         - cd build_scripts/linux
         - export DEPENDENCIES_LINK_TYPE=shared

build_scripts/linux/linux_clean_after_lib.sh

 #!/bin/sh
-echo "linux clean after lib"
-pwd
 cd ../../build
 
 rm -rf CMakeFiles

build_scripts/linux/linux_clean_after_tests.sh

@@ -3,8 +3,8 @@
 cd ../../build
 
 rm -rf CMakeFiles
-rm -r *.*
-rm -r Makefile
+rm -f *.*
+rm -f Makefile
 
 cd unit-tests
 
@@ -14,4 +14,4 @@ cd unit-tests
 
 cd ..
 
-cd ../build_scripts/linux
\ No newline at end of file
+cd ../build_scripts/linux