Replacing the legacy Vector breakpoint tokens with the Codex
standard ones. All names have been unified, only some legacy values
remain for backwards compatibility.
Also
- replacing a wrongly applied min-width with the correct max-width
token,
- replacing a width with an equal value min-width one and
- removing the now equal value mobile min-width one.
Note that we can't do some reference magic here alike
`@max-width-breakpoint-mobile: @min-width-breakpoint-tablet - 1px;` as
this would take the Codex value from skin variables and not the legacy
value.
Also note, that we could move all those Vector legacy definitions into
Vector's 'mediawiki.skin.variables.less' file(s), but that would mean
that extensions don't rely on the Codex default values, but on Vector's
and we want latter to move to the standard, also in foresight of
further standardization to build for all feature teams like a
shared Grid.
Bug: T331403
Change-Id: Ifb968b1977001edb1a79e20df387c61f27043542
Removing all references to WikimediaUI Base and replacing them with
the Codex equivalents.
Also removing variables redefinitions that are not needed anymore.
Only value difference is a last family added before general fallback
called 'Source Serif Pro', which basically will never be visible due to
the general availability of Georgia and Times.
Also removing general font stack comments, see Codex design tokens
comments for these context explanations.
Bug: T334934
Change-Id: I61aa44e40830ffdb308aaea4ca30af0f25ba2274
