refactor: remove boiler plate from fpm.toml of added example

Author: arteevraina

example_packages/cpp_files/fpm.toml

@@ -1,12 +1 @@
 name = "cpp_files"
-version = "0.1.0"
-license = "license"
-author = "arteevraina"
-maintainer = "arteevraina@gmail.com"
-copyright = "Copyright 2022, arteevraina"
-[build]
-auto-executables = true
-auto-tests = true
-auto-examples = true
-[install]
-library = false