doc: drop 'Note that' in addons docs

This commit removes the usage of 'Note that' in the addons
documentation. Note that this phrase was not adding anything
meaningful to the docs.

PR-URL: #28327
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: cjihrig

doc/api/addons.md

@@ -83,7 +83,7 @@ NODE_MODULE(NODE_GYP_MODULE_NAME, Initialize)
 }  // namespace demo
 ```
 
-Note that all Node.js Addons must export an initialization function following
+All Node.js Addons must export an initialization function following
 the pattern:
 
 ```cpp
@@ -310,9 +310,8 @@ Because the exact path to the compiled Addon binary can vary depending on how
 it is compiled (i.e. sometimes it may be in `./build/Debug/`), Addons can use
 the [bindings][] package to load the compiled module.
 
-Note that while the `bindings` package implementation is more sophisticated
-in how it locates Addon modules, it is essentially using a try-catch pattern
-similar to:
+While the `bindings` package implementation is more sophisticated in how it
+locates Addon modules, it is essentially using a try-catch pattern similar to:
 
 ```js
 try {
@@ -588,10 +587,10 @@ NODE_MODULE(NODE_GYP_MODULE_NAME, Init)
 }  // namespace demo
 ```
 
-Note that this example uses a two-argument form of `Init()` that receives
-the full `module` object as the second argument. This allows the Addon
-to completely overwrite `exports` with a single function instead of
-adding the function as a property of `exports`.
+This example uses a two-argument form of `Init()` that receives the full
+`module` object as the second argument. This allows the Addon to completely
+overwrite `exports` with a single function instead of adding the function as a
+property of `exports`.
 
 To test it, run the following JavaScript:
 
@@ -605,7 +604,7 @@ addon((msg) => {
 });
 ```
 
-Note that, in this example, the callback function is invoked synchronously.
+In this example, the callback function is invoked synchronously.
 
 ### Object factory