gnucash unstable: Remove all references to the now-defunct Yahoo! quote retrieval

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/c0fd3b31 (commit)
	from  https://github.com/Gnucash/gnucash/commit/320c5211 (commit)



commit c0fd3b31657563df23ebccd4971f9aaadfdecc94
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jan 2 10:43:49 2018 -0800

    Remove all references to the now-defunct Yahoo! quote retrieval
    
    And make Alphavantage the default.



Summary of changes:
 gnucash/gnome-utils/gnc-tree-view-commodity.c |   2 +-
 libgnucash/backend/dbi/test/test-dbi.xml      |   2 +-
 libgnucash/doc/design/top-level.texi          |   6 +-
 libgnucash/engine/gnc-commodity.c             |  48 +-
 libgnucash/quotes/Quote_example.pl            |   6 +-
 libgnucash/quotes/gnc-fq-dump                 |   4 +-
 libgnucash/quotes/gnc-fq-helper.in            |  10 +-
 libgnucash/quotes/gnc-value-portfolio         | 672 --------------------------
 libgnucash/scm/price-quotes.scm               |   8 +-
 9 files changed, 34 insertions(+), 724 deletions(-)
 delete mode 100755 libgnucash/quotes/gnc-value-portfolio