[PATCH 5/5] doc: remove "sleepy_penguin" references

[Eric Wong <e@80x24.org>]

Less to install, less to document, a win for everybody!
---
 Documentation/dtas-sinkedit.pod   |  2 +-
 Documentation/dtas-sourceedit.pod |  2 +-
 INSTALL                           | 19 -------------------
 dtas-linux.gemspec                | 19 -------------------
 4 files changed, 2 insertions(+), 40 deletions(-)
 delete mode 100644 dtas-linux.gemspec

diff --git a/Documentation/dtas-sinkedit.pod b/Documentation/dtas-sinkedit.pod
index ee2d5b7..6787e25 100644
--- a/Documentation/dtas-sinkedit.pod
+++ b/Documentation/dtas-sinkedit.pod
@@ -13,7 +13,7 @@ dtas-sinkedit SINKNAME
 dtas-sinkedit spawns an editor to allow editing of a sink as a YAML file.
 See L<dtas-player_protocol(7)> for details on SINKARGS.
 
-On Linux machines with the sleepy_penguin RubyGem installed, L<inotify(7)>
+On Linux machines with the "fiddle" default RubyGem installed, L<inotify(7)>
 is used to monitor the file for changes while the text editor is running.
 Each time a user finishes saving a file, changes are committed immediately.
 This behavior may be disabled by using the -N or --no-watch command-line
diff --git a/Documentation/dtas-sourceedit.pod b/Documentation/dtas-sourceedit.pod
index ee88e8f..be158d3 100644
--- a/Documentation/dtas-sourceedit.pod
+++ b/Documentation/dtas-sourceedit.pod
@@ -16,7 +16,7 @@ a pipe or file, it is parsed as YAML and fed to the L<dtas-player(1)> instance
 non-interactively.  This is useful for loading various profiles from the
 filesystem.
 
-On Linux machines with the sleepy_penguin RubyGem installed, L<inotify(7)>
+On Linux machines with the "fiddle" default RubyGem installed, L<inotify(7)>
 is used to monitor the file for changes while the text editor is running.
 Each time a user finishes saving a file, changes are committed immediately.
 This behavior may be disabled by using the -N or --no-watch command-line
diff --git a/INSTALL b/INSTALL
index d0b8a24..16d3d34 100644
--- a/INSTALL
+++ b/INSTALL
@@ -16,21 +16,6 @@ Debian 7+ users can install dependencies easily:
 
     sudo apt-get install sox libsox-fmt-all mp3gain flac ruby-dev
 
-# installing dtas RubyGem on GNU/Linux (Linux kernel 2.6.32+)
-
-Be sure to have Ruby development headers and a working C compiler.
-This will pull in the sleepy_penguin RubyGems for minor
-speedups.  If you cannot be bothered to have a development
-environment, just use "gem install dtas".
-
-    sudo gem install dtas-linux
-
-This should pull in the "sleepy_penguin" RubyGems
-
-For future upgrades of dtas (upgrades to dtas-linux will be infrequent)
-
-    sudo gem update dtas
-
 # installing the dtas RubyGem on non-GNU/Linux or old GNU/Linux systems
 
     sudo gem install dtas
@@ -45,10 +30,6 @@ Grab the latest tarball from our HTTPS site:
     $ cd dtas-0.17.0
     $ sudo ruby setup.rb
 
-GNU/Linux users may optionally install the "sleepy_penguin" package:
-
-    * sleepy_penguin - https://bogomips.org/sleepy_penguin/
-
 # CONTACT
 
 Please do not hesitate to send plain-text mail to <dtas-all@nongnu.org>
diff --git a/dtas-linux.gemspec b/dtas-linux.gemspec
deleted file mode 100644
index cc9a8c8..0000000
--- a/dtas-linux.gemspec
+++ /dev/null
@@ -1,19 +0,0 @@
-# Copyright (C) 2013-2019 all contributors <dtas-all@nongnu.org>
-# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
-#
-# this just declares dependencies to make gem installation a little easier
-# for Linux users
-Gem::Specification.new do |s|
-  s.name = %q{dtas-linux}
-  s.version = '1.1.0'
-  s.authors = ["dtas hackers"]
-  s.summary = "meta-package for dtas users on the Linux kernel"
-  s.description = "gives small performance improvements for dtas users\n" \
-                  "via tee(), splice() and eventfd() on Linux"
-  s.email = %q{e@80x24.org}
-  s.files = []
-  s.homepage = 'https://80x24.org/dtas.git/about/'
-  s.add_dependency(%q<dtas>, '~> 0.16')
-  s.add_dependency(%q<sleepy_penguin>, '~> 3.5')
-  s.licenses = 'GPL-3.0+'
-end