Do not terminate SEE ALSO with a period (according to man man-pages)

Signed-off-by: Viktor Söderqvist <[email protected]>

utils/preprocess-markdown.py

@@ -124,7 +124,7 @@ def print_bottom(self):
             print("# SEE ALSO", end="\n\n")
             see_also = ", ".join(["**" + cmd.lower().replace(' ', '-') + "**(3valkey)"
                                   for cmd in self.see_also_commands.keys()])
-            print(see_also + ".", end="\n\n")
+            print(see_also, end="\n\n")
 
     def rewrite_heading(self, heading):
         heading = heading.strip()