Closes: #1075050

This allows themes to be installed without always requiring GTK 2
to be installed. We did this for libgtk2.0-0 since 2017, but it
regressed during the t64 transition.

Helps: #1077864

* Build-Depends: Drop versioned constraint on gtk-doc-tools (>= 1.11).
* Build-Depends: Drop versioned constraint on libglib2.0-dev (>= 2.27.3).
* Build-Depends: Drop versioned constraint on libgdk-pixbuf-2.0-dev (>= 2.22.1).
* Build-Depends: Drop versioned constraint on libpango1.0-dev (>= 1.28.3).
* Build-Depends: Drop versioned constraint on libatk1.0-dev (>= 1.32.0).
* Build-Depends: Drop versioned constraint on libx11-dev (>= 2:1.3.3-2).
* Build-Depends: Drop versioned constraint on libxext-dev (>= 2:1.1.1-3).
* Build-Depends: Drop versioned constraint on libxi-dev (>= 2:1.3-4).
* Build-Depends: Drop versioned constraint on libxrandr-dev (>= 2:1.2.99).
* Build-Depends: Drop versioned constraint on libxrender-dev (>= 1:0.9.5-2).
* Build-Depends: Drop versioned constraint on libxcursor-dev (>= 1:1.1.10-2).
* Build-Depends: Drop versioned constraint on libxcomposite-dev (>= 1:0.2.0-3).
* Build-Depends: Drop versioned constraint on libxdamage-dev (>= 1:1.0.1-3).
* Build-Depends: Drop versioned constraint on libxinerama-dev (>= 2:1.1-3).
* Build-Depends: Drop versioned constraint on libxfixes-dev (>= 1:3.0.0-3).
* Build-Depends: Drop versioned constraint on libcairo2-dev (>= 1.6.4-6.1).
* Build-Depends: Drop dependency on essential package dpkg-dev (>= 1.16.1).
* Build-Depends: Replace dependency on transitional package x11proto-xext-dev with replacement x11proto-dev.
* Build-Depends: Drop versioned constraint on libcups2-dev (>= 1.2).
* Build-Depends: Drop versioned constraint on gobject-introspection (>= 0.10.8-2).
* Build-Depends: Drop versioned constraint on libgirepository1.0-dev (>= 0.9.3).
* libgtk2.0-dev: Drop versioned constraint on libglib2.0-dev (>= 2.27.3) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libgdk-pixbuf-2.0-dev (>= 2.21.0) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libpango1.0-dev (>= 1.20) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libatk1.0-dev (>= 1.29.2) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libcairo2-dev (>= 1.6.4-6.1) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libx11-dev (>= 2:1.0.0-6) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxext-dev (>= 1:1.0.1-2) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxinerama-dev (>= 1:1.0.1-4.1) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxi-dev (>= 1:1.0.1-4) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxrandr-dev (>= 2:1.2.99) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxfixes-dev (>= 1:3.0.0-3) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxcomposite-dev (>= 1:0.2.0-3) in Depends.
* libgtk2.0-dev: Drop versioned constraint on libxdamage-dev (>= 1:1.0.1-3) in Depends.
* libgail-dev: Drop versioned constraint on libatk1.0-dev (>= 1.13.0) in Depends.

Changes-By: deb-scrub-obsolete

This provides the Adwaita theme for GTK 2, making GTK 2 apps
approximately match the default appearance of GTK 3 apps.

Helps: #1077864

gtk+2.0 release 2.24.33-6 for unstable (sid)

(maintainer view tag generated by dgit --quilt=unapplied)

[dgit distro=debian split --quilt=unapplied]