Revert "Require one or more spaces (+) between keyword and headline"

This reverts commit e0072f79137bbfabdf848da6865d8e4de776a549.

lisp/org.el

@@ -12785,7 +12785,7 @@ headlines matching this string."
 		     " *\\(\\<\\("
 		     (mapconcat 'regexp-quote org-todo-keywords-1 "\\|")
 		     (org-re
-		      "\\>\\)\\)? +\\(.*?\\)\\(:[[:alnum:]_@#%:]+:\\)?[ \t]*$")))
+		      "\\>\\)\\)? *\\(.*?\\)\\(:[[:alnum:]_@#%:]+:\\)?[ \t]*$")))
 	 (props (list 'face 'default
 		      'done-face 'org-agenda-done
 		      'undone-face 'default