chore(docs): remove unneeded whitespace before commas and full stops (#29629)

Author: jbampton

docs/docs/how-to/images-and-media/using-cloudinary-image-service.md

@@ -77,7 +77,7 @@ module.exports = {
 
 Note that `gatsby-source-cloudinary` takes the following options:
 
-- **`cloudName`** , **`apiKey`** , and **`apiSecret`** **:** These are credentials from your Cloudinary console, stored as three separate environment variables for security.
+- **`cloudName`**, **`apiKey`**, and **`apiSecret`** **:** These are credentials from your Cloudinary console, stored as three separate environment variables for security.
 - **`resourceType`** **:** This is the resource type of the media assets - either an image or a video.
 - **`prefix`** **:** This is the folder (in your Cloudinary account) in which the files reside. In the example above, the folder is called `gatsby-source-cloudinary`. Assign a name of your choice.
   Other optional options are `type`, `tags`, and `maxResult`.

packages/gatsby-plugin-sharp/README.md

@@ -167,7 +167,7 @@ Convert the source image to one of the following available options: `NO_CHANGE`,
 
 #### toFormatBase64
 
-base64 image uses the image format from the source , or the value of `toFormat`. This setting allows a different image format instead, available options are: `JPG`, `PNG`, `WEBP`.
+base64 image uses the image format from the source, or the value of `toFormat`. This setting allows a different image format instead, available options are: `JPG`, `PNG`, `WEBP`.
 
 `WEBP` allows for a smaller data size, allowing you to reduce your HTML size when transferring over the network, or to use a larger base64 placeholder width default for improved image placeholder quality.
 

packages/gatsby-remark-smartypants/README.md

@@ -25,7 +25,7 @@ plugins: [
 
 Valid `remark-smartypants` options may passed to the plugin. For more on valid
 options refer to the
-[retext-smartypants API](https://github.com/retextjs/retext-smartypants#api) .
+[retext-smartypants API](https://github.com/retextjs/retext-smartypants#api).
 
 ```javascript
 // In your gatsby-config.js