Remove "boring" args from the pretty_args only

Dumb mistake. Sorry.

Closes Homebrew/homebrew#6722

Library/Homebrew/formula.rb

@@ -465,8 +465,10 @@ protected
   # Pretty titles the command and buffers stdout/stderr
   # Throws if there's an error
   def system cmd, *args
-    pretty_args = args
-    args.delete "--disable-dependency-tracking" if cmd == "./configure"
+    # remove "boring" arguments so that the important ones are more likely to
+    # be shown considering that we trim long ohai lines to the terminal width
+    pretty_args = args.dup
+    pretty_args.delete "--disable-dependency-tracking" if cmd == "./configure" and not ARGV.verbose?
     ohai "#{cmd} #{pretty_args*' '}".strip
 
     if ARGV.verbose?