Drop mention of Software collections from all documentation

Resolves: RHEL-88743

README

@@ -1,28 +1,27 @@
 Package %{scl_name} is the main package for Red Hat GCC
 Toolset 15.  By installing the %{scl_name} package, you will get
 the working set of packages that are included in Red Hat GCC
-Toolset 15, which includes development and debugging tools.
+Toolset 15, which includes the compiler and linker.
 
-Usage: scl enable %{scl} <command>
+Usage: %{scl_name}-env [command]
 
 Red Hat GCC Toolset allows you to build and execute applications
 which are not located in the filesystem root hierarchy, but are
 stored in an alternative location, which is %{_scl_root} in case
-of the %{scl_name} collection.
+of %{scl_name}.
 
 Examples:
-scl enable %{scl_name} 'command --arg'
+%{scl_name}-env
+  Run an interactive shell wherein %{scl_name} is enabled.
+
+%{scl_name}-env 'command --arg'
   Run a specific command with the argument --arg within the %{scl_name}
   Red Hat GCC Toolset environment.
 
-scl enable %{scl_name} 'gcc'
+%{scl_name}-env 'gcc'
   Run GCC from the %{scl_name} Red Hat GCC Toolset.
 
-scl enable %{scl_name} 'bash'
-  Run an interactive shell wherein the %{scl_name} software collection
-  is enabled.
-
-scl enable %{scl_name} 'man gcc'
+%{scl_name}-env 'man gcc'
   Show man pages for the gcc command, which is a part of the
   %{scl_name} Red Hat GCC Toolset.
 

gcc-toolset-15.spec

@@ -113,10 +113,15 @@ EOF
 %build
 
 # Temporary helper script used by help2man.
+%if %have_scl_utils
+%define version_string %{?scl_name} %{version} Software Collection
+%else
+%define version_string %{?scl_name} %{version}
+%endif
 cat <<\EOF | tee h2m_helper
 #!/bin/sh
 if [ "$1" = "--version" ]; then
-  printf '%%s' "%{?scl_name} %{version} Software Collection"
+  printf '%%s' "%{version_string}"
 else
   cat README
 fi