docs: remove hanging text

jorenrui · jorenrui · commit b216062113ab · 2024-02-14T12:05:00.000+08:00
diff --git a/readme.md b/readme.md
@@ -315,8 +315,6 @@ A children's `parent.` variable is the same as the parent's `el.` variable.
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 ### Variable Methods
 
 MiniJS added some commonly-used custom methods to variables.
