LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"

A couple of exotic quote characters came in with this license text; they
can confuse software that is not expecting non-ASCII text.  Switch to
normal quotes here, with no changes to the actual license text.

Reported-by: Rahul T R <[email protected]>
Signed-off-by: Nishanth Menon <[email protected]>
CC: Greg Kroah-Hartman <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Thorsten Leemhuis <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>

LICENSES/dual/CC-BY-4.0

@@ -392,7 +392,7 @@ Section 8 -- Interpretation.
 Creative Commons is not a party to its public
 licenses. Notwithstanding, Creative Commons may elect to apply one of
 its public licenses to material it publishes and in those instances
-will be considered the “Licensor.” The text of the Creative Commons
+will be considered the "Licensor." The text of the Creative Commons
 public licenses is dedicated to the public domain under the CC0 Public
 Domain Dedication. Except for the limited purpose of indicating that
 material is shared under a Creative Commons public license or as