doc: update known issues for Sphinx>=3.2.0

Remove old known issues files and update with issues that still need to
be fixed in Sphinx>=3.2.0 and or Doxygen, including anonymous
union/struct parsing and duplicated symbols (eg struct and functions
having the same name).

Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>

.known-issues/doc/anonymous.conf

@@ -0,0 +1,12 @@
+#
+# Anonymous struct/union
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]connection_mgmt.rst):(?P<lineno>[0-9]+): WARNING: Error in declarator or parameters$
+^Invalid C declaration: Expected identifier in nested name. \[error at [0-9]+]$
+^.*union bt_conn_info::@[0-9]+.*$
+^[- \t]*\^$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]connection_mgmt.rst):(?P<lineno>[0-9]+): WARNING: Error in declarator or parameters$
+^Invalid C declaration: Expected identifier in nested name. \[error at [0-9]+]$
+^.*enum bt_conn_oob_info::@[0-9]+.*$
+^[- \t]*\^$

.known-issues/doc/duplicate.conf

@@ -1,6 +1,39 @@
 #
-^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]file_system[/\\]index.rst):(?P<lineno>[0-9]+): WARNING: Duplicate declaration(.*)
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]file_system[/\\]index.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
 #
-^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]peripherals[/\\]dma.rst):(?P<lineno>[0-9]+): WARNING: Duplicate declaration(.*)
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]peripherals[/\\]dma.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
 #
-^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]peripherals[/\\]sensor.rst):(?P<lineno>[0-9]+): WARNING: Duplicate declaration(.*)
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]audio[/\\]dmic.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]networking[/\\]net_if.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]networking[/\\]ieee802154.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]networking[/\\]sockets.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]uuid.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]sdp.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]rfcomm.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]hci_raw.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]hci_drivers.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]gatt.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]gap.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C declaration, also defined in (.*)\.$
+^Declaration is \'.*\'\.$

.known-issues/doc/misc.conf

@@ -1,15 +1,14 @@
-#
-# Display
-#
-#
-# include
-#
-^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]misc_api.rst):(?P<lineno>[0-9]+): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
-^[ \t]*
-^[ \t]*\^
-^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
-^[ \t]*
-^[ \t]*\^
-^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected end of definition. \[error at [0-9]+]
-^.*json_obj_descr.__unnamed__
-^[- \t]*\^
+# multiple section 'index'
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]custom-doxygen[/\\]mainpage.md):[0-9]+: warning: multiple use of section label 'index' for main page, \(first occurrence: .*$
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]reference[/\\]bluetooth[/\\]gatt.rst):(?P<lineno>[0-9]+): WARNING: Error in declarator$
+^[ \t]*If.*:$
+^[ \t]*Invalid C declaration: .* \[error at [0-9]+\]$
+^[ \t]*ATOMIC_DEFINE.*$
+^[- \t]*\^$
+^[ \t]*If.*:$
+^[ \t]*Error in declarator or parameters$
+^[ \t]*Invalid C declaration: .* \[error at [0-9]+\]$
+^[ \t]*ATOMIC_DEFINE.*$
+^[- \t]*\^$
+^[ \t]*$