Closes #21675: fix ordering of description in library intro

Doc/library/intro.rst

@@ -30,10 +30,8 @@ requires them; yet others are available only when a particular configuration
 option was chosen at the time when Python was compiled and installed.
 
 This manual is organized "from the inside out:" it first describes the built-in
-data types, then the built-in functions and exceptions, and finally the modules,
-grouped in chapters of related modules.  The ordering of the chapters as well as
-the ordering of the modules within each chapter is roughly from most relevant to
-least important.
+functions, data types and exceptions, and finally the modules, grouped in
+chapters of related modules.
 
 This means that if you start reading this manual from the start, and skip to the
 next chapter when you get bored, you will get a reasonable overview of the