Move professional learning marketing pages into /professional-learning directory

[kelbyhawn]

Moves and redirects pages in the /educate/professional-learning directory into the new /professional-learning directory. The new page paths are:

• code.org/educate/professional-learning → code.org/professional-learning
• code.org/educate/professional-development-online → code.org/professional-learning/self-paced
• code.org/educate/professional-learning/contact-regional-partner → code.org/professional-learning/contact-regional-partner
• code.org/educate/professional-learning/facilitator → code.org/professional-learning/facilitator
• code.org/educate/professional-learning/middle-high → code.org/professional-learning/middle-high
• code.org/educate/professional-learning/values → code.org/professional-learning/values

Jira ticket: ACQ-1541

[kelbyhawn]

Only whitepsace changes here.

[kelbyhawn]

Deleted this since we now have https://code.org/professional-learning/index

[TurnerRiley]

Does this UI test file need to be updated since it references /educate/professional-learning/contact-regional-partner?

[kelbyhawn]

Does this UI test file need to be updated since it references /educate/professional-learning/contact-regional-partner?

@TurnerRiley ooo good thinking! Just updated 👍