Merge pull request microsoft#188144 from weartist/adjust_spell_for_inlineChatDiff

fix microsoft#187223

Author: jrieken

build/lib/stylelint/vscode-known-variables.json

@@ -316,7 +316,6 @@
 		"--vscode-inlineChatInput-border",
 		"--vscode-inlineChatInput-focusBorder",
 		"--vscode-inlineChatInput-placeholderForeground",
-		"--vscode-inlineChatrDiff-removed",
 		"--vscode-input-background",
 		"--vscode-input-border",
 		"--vscode-input-foreground",