misc: Re-remove Authors lines from source files.

These were universally removed a while ago, but a bunch have crept back
in. Remove them.

Change-Id: I3cb5b9f40c9c19aafb5e39a51d1baeae60a591c0
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40335
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Matthew Poremba <matthew.poremba@amd.com>
Maintainer: Gabe Black <gabe.black@gmail.com>

configs/nvm/sweep.py

@@ -32,8 +32,6 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# Authors: Andreas Hansson
 
 import math
 import optparse

configs/nvm/sweep_hybrid.py

@@ -32,8 +32,6 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# Authors: Andreas Hansson
 
 import math
 import optparse