Remove Inkscape and its dependencies

The source code is currently hosted on GitLab (since 2017, see
https://inkscape.org/news/2017/06/10/inkscape-moves-gitlab/) and
I have reason to believe that they have been using Bazaar on
Launchpad in between.
The spec file referenced SVN on SourceForge, draw your own conclusions.

GNUmakefile

@@ -29,17 +29,14 @@ lily% cygwin%:
 	$(MAKE) -f lilypond.make $@
 
 denemo-%:
-	$(MAKE) -f inkscape.make $@
-
-inkscape-%:
-	$(MAKE) -f inkscape.make $@
+	$(MAKE) -f denemo.make $@
 
 test:
 	rm -rf target
 	make -f lilypond.make tools LOCAL_GUB_OPTIONS=-vvv
 	bin/gub -p $(BUILD_PLATFORM) --branch=lilypond=master:master lilypond -vvv
 
-README: web/index.html web/basics.html web/lilypond.html web/denemo.html web/inkscape.html web/history.html web/links.html
+README: web/index.html web/basics.html web/lilypond.html web/denemo.html web/history.html web/links.html
 	w3m -dump $^ | sed 's/website by.*$..//' > $@
 
 web: README

README

@@ -43,7 +43,6 @@ Send bug reports and patches to [email protected].
 Supported installer packages
 
 GNU Denemo
-Inkscape
 GNU LilyPond
 with all essential dependencies. Currently, 207 package build specifications
 are included in GUB.
@@ -137,12 +136,6 @@ Examples
 
     this leaves the installer in uploads/
 
-  * Build Inkscape for your platform
-
-      bin/gub inkscape-installer
-
-    this leaves the installer in uploads/
-
   * Cross build Denemo (http://denemo.org) for Windows (mingw32)
 
       make denemo
@@ -624,35 +617,6 @@ More examples
 
 
 
-GUB -- Inkscape
-
-INSTALLING
-
-Optional: Prepare build environment
-
-  make -f inkscape.make bootstrap
-
-Build everything
-
-  make inkscape
-
-this leaves installers in uploads/
-
-More examples
-
-  * Build all Inkscape installers
-
-      make inkscape
-
-    this leaves installers for GNU/Linux (x86, x86_64, powerpc),
-    FreeBSD (x86, x86_64) and Windows, and documentation in uploads/
-
-    OR (old style)
-
-      bin/gub inkscape
-      bin/gib inkscape --branch=inkscape=trunk inkscape
-
-
 
 GUB the Grand Unified Builder
 

gub/mirrors.py

@@ -83,8 +83,6 @@
 gcc_41 = 'ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-%(version)s/gcc-%(version)s.tar.bz2'
 gcc_snap = 'ftp://ftp.fu-berlin.de/unix/languages/gcc/snapshots/%(version)s/gcc-%(version)s.tar.bz2'
 
-boost_1_33_1 = 'http://surfnet.dl.sourceforge.net/sourceforge/boost/boost_1_33_1.tar.%(format)s'
-
 gnucvs =  ':pserver:[email protected]:/cvsroot/%(name)s'
 
 redhat_snapshots = 'ftp://sources.redhat.com/pub/%(name)s/snapshots/%(name)s-%(version)s.tar.%(format)s'