docs: Remove automated Rich Text cases

These were automated in
WordPress/gutenberg#49352.

test-cases/gutenberg/writing-flow/rich-text-formatting.md

@@ -5,82 +5,6 @@
 
 Have a rich-text based component with content (Paragraph, Heading, Quote, Media Caption, etc...)
 
-##### TC001
-
-**Known Issues**
-
-- [Text color selection is not preserved when cursor is placed in the middle of text](https://github.com/WordPress/gutenberg/issues/42714)
-
-**Bold, Italic, strikethrough buttons**
-
-- Press the Bold button and write a bold word.
-- Press the Italic button and write an italic word.
-- Press strikethrough button and write strikethrough text.
-
-**Highlight selected text**
-
-- Write some text and select it.
-- Tap on the Highlight text button (A).
-- Select a color.
-- Expect to see the text with the selected color.
-
-**Highlight text without selection**
-
-- Without selecting any text tap on the highlight text button (A).
-- Select a color and write some text.
-- Expect to see the newly introduced text with the previously selected color.
-
-
-##### TC002
-
-**Alignment buttons**
-
-- Press Left, Right, Center alignment buttons.
-- Check that the text responds accordingly.
-
-
-##### TC003
-
-**Alignment Split**
-
-- Write some lines on a paragraph block.
-- Set an alignment on the block.
-- Move the caret by the half of the text and press enter to split it.
-- Check that the new block has the same alignment.
-- Check that the text alignment corresponds to the setting.
-
-
-##### TC004
-
-**Link button works without selection**
-
-- Press the links button 
-- Fill the options and dismiss to add a link.
-- The link formatted word should be added to the block.
-
-
-##### TC005
-
-**Link button works with a selected word**
-
-- Write a word and select it.
-- Press the link format button.
-- Check that the `Link Text` field is pre-filled with the selected word.
-- Add a URL and dismiss.
-- The selected word now should be formatted as a link.
-
-
-##### TC006
-
-**Adding a link from a copied URL**
-
-- Go to a browser and copy a URL to the clipboard.
-- Back to Gutenberg, select a word on a rich-text based component.
-- Press the Link format button.
-- Check that the copied URL is pre-filled on the URL field.
-- Dismiss the bottom-sheet to see the selected word formatted as a link.
-
-
 ##### TC007
 
 **Test format detection under the cursor**
@@ -89,16 +13,6 @@ Have a rich-text based component with content (Paragraph, Heading, Quote, Media
 Move the cursor around
 - Check that the proper format buttons get selected when the cursor get under a formatted word.
 
-
-##### TC008
-
-**Test formatting doesn't remove leading or trailing whitespace**
-
-- Add a text-based block, paragraph for example
-- Type some spaces, then write some text, then type some more spaces
-- Select the _text_ and apply one format, for example, bold
-- Check that the leading and trailing spaces aren't removed 
-
 ##### TC009
 
 **Test autocorrection doesn't apply formatting to Heading**