check-style: Replace NBSP with empty space

utils/tests/gitlab-ci-doc.yml

@@ -13,7 +13,7 @@
     # dia is archived
     - pacman --noconfirm -U https://archive.archlinux.org/packages/d/dia/dia-0.97.3-9-x86_64.pkg.tar.zst
     # temporary revert to Doxygen 1.11.0. The package has been recompiled
-    # without spdlog and wizard support to fix a library dependency.
+    # without spdlog and wizard support to fix a library dependency.
     - wget -nv http://www.nsnam.org/packages/doxygen-1.11.0-4-x86_64.pkg.tar.zst
     - pacman --noconfirm -U doxygen-1.11.0-4-x86_64.pkg.tar.zst
     # no policy is a good policy.

utils/tests/gitlab-ci-gcc.yml

@@ -6,7 +6,7 @@
 
 # We support from 10 to the latest version. Check if everything builds fine
 # under debug, default, and optimized, on Linux.
-# The distro used is Ubuntu - the logic is:
+# The distro used is Ubuntu - the logic is:
 # - Test minimum and maximum GCC version
 # - Do not test if it's the default version installed (already tested as Ubuntu test)
 # Note: the following is the list of default gcc versions on Ubuntu: