Docs: ktap: add code-block type

Fix multiple "code-block::" warnings by adding "none" as the type of
code-block. Mends these warnings:

Documentation/dev-tools/ktap.rst:71: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:120: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:126: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:132: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:139: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:145: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:195: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:208: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.
Documentation/dev-tools/ktap.rst:238: WARNING: Error in "code-block" directive:
1 argument(s) required, 0 supplied.

Fixes: a32fa6b2 ("Documentation: dev-tools: Add KTAP specification")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Rae Moar <rmoar@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20220131003637.14274-1-rdunlap@infradead.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/dev-tools/ktap.rst

@@ -68,7 +68,7 @@ Test case result lines
 Test case result lines indicate the final status of a test.
 They are required and must have the format:
 
-.. code-block::
+.. code-block:: none
 
 	<result> <number> [<description>][ # [<directive>] [<diagnostic data>]]
 
@@ -117,32 +117,32 @@ separator.
 
 Example result lines include:
 
-.. code-block::
+.. code-block:: none
 
 	ok 1 test_case_name
 
 The test "test_case_name" passed.
 
-.. code-block::
+.. code-block:: none
 
 	not ok 1 test_case_name
 
 The test "test_case_name" failed.
 
-.. code-block::
+.. code-block:: none
 
 	ok 1 test # SKIP necessary dependency unavailable
 
 The test "test" was SKIPPED with the diagnostic message "necessary dependency
 unavailable".
 
-.. code-block::
+.. code-block:: none
 
 	not ok 1 test # TIMEOUT 30 seconds
 
 The test "test" timed out, with diagnostic data "30 seconds".
 
-.. code-block::
+.. code-block:: none
 
 	ok 5 check return code # rcode=0
 
@@ -202,7 +202,7 @@ allowed to be either indented or not indented.
 
 An example of a test with two nested subtests:
 
-.. code-block::
+.. code-block:: none
 
 	KTAP version 1
 	1..1
@@ -215,7 +215,7 @@ An example of a test with two nested subtests:
 
 An example format with multiple levels of nested testing:
 
-.. code-block::
+.. code-block:: none
 
 	KTAP version 1
 	1..2
@@ -250,7 +250,7 @@ nested version line, uses a line of the form
 
 Example KTAP output
 --------------------
-.. code-block::
+.. code-block:: none
 
 	KTAP version 1
 	1..1