ALSA: emu10k1: de-duplicate audigy-mixer.rst vs. sb-live-mixer.rst

Let the MANUALS/PATENTS section of the former simply refer to the latter
- there is no point in duplicating this information with little value to
end users.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230825222157.170978-1-oswald.buddenhagen@gmx.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

Documentation/sound/cards/audigy-mixer.rst

@@ -303,69 +303,4 @@ The channel mapping is following:
 MANUALS/PATENTS
 ===============
 
-ftp://opensource.creative.com/pub/doc
--------------------------------------
-
-Note that the site is defunct, but the documents are available
-from various other locations.
-
-LM4545.pdf
-	AC97 Codec
-
-m2049.pdf
-	The EMU10K1 Digital Audio Processor
-
-hog63.ps
-	FX8010 - A DSP Chip Architecture for Audio Effects
-
-
-WIPO Patents
-------------
-
-WO 9901813 (A1)
-	Audio Effects Processor with multiple asynchronous streams
-	(Jan. 14, 1999)
-
-WO 9901814 (A1)
-	Processor with Instruction Set for Audio Effects (Jan. 14, 1999)
-
-WO 9901953 (A1)
-	Audio Effects Processor having Decoupled Instruction
-        Execution and Audio Data Sequencing (Jan. 14, 1999)
-
-
-US Patents (https://www.uspto.gov/)
------------------------------------
-
-US 5925841
-	Digital Sampling Instrument employing cache memory (Jul. 20, 1999)
-
-US 5928342
-	Audio Effects Processor integrated on a single chip
-        with a multiport memory onto which multiple asynchronous
-        digital sound samples can be concurrently loaded
-	(Jul. 27, 1999)
-
-US 5930158
-	Processor with Instruction Set for Audio Effects (Jul. 27, 1999)
-
-US 6032235
-	Memory initialization circuit (Tram) (Feb. 29, 2000)
-
-US 6138207
-	Interpolation looping of audio samples in cache connected to
-        system bus with prioritization and modification of bus transfers
-        in accordance with loop ends and minimum block sizes
-	(Oct. 24, 2000)
-
-US 6151670
-	Method for conserving memory storage using a
-        pool of  short term memory registers
-	(Nov. 21, 2000)
-
-US 6195715
-	Interrupt control for multiple programs communicating with
-        a common interrupt by associating programs to GP registers,
-        defining interrupt register, polling GP registers, and invoking
-        callback routine associated with defined interrupt register
-	(Feb. 27, 2001)
+See sb-live-mixer.rst.