mset9-chorus: commonize the prior ol string

They're the same for all occurrances of this include, so why not?

It also fixes an issue in Crowdin where it is converting this include
into a codeblock.

It also inadvertantly fixes a typo where `1.` was defined twice.

docs/_include/mset9-chorus.md

@@ -1,3 +1,4 @@
+1. Run the MSET9 script:
     + **Windows**: Double-click `MSET9-Windows.bat`
     + **macOS**: Double-click `MSET9-macOS.command` and enter your password if prompted
     + **Linux**: open a Terminal window, `cd` to the root of your SD card, then type `python3 mset9.py` and press Enter

docs/installing-boot9strap-(mset9-cli).md

@@ -41,7 +41,6 @@ In this section, you will prepare the MSET9 exploit by **temporarily** creating
 
     :::
 
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
     ::: info
 
@@ -74,7 +73,6 @@ In this section, you will prepare the MSET9 exploit by **temporarily** creating
     + This will not wipe any of your data
 1. Power off your console by pressing the power button then tapping Power Off on the lower screen
 1. Insert your SD card into your computer
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
     + The window should change to this and display `Ready`:
@@ -110,7 +108,6 @@ These instructions must be followed **EXACTLY**, so double-check EVERYTHING you
 1. **With the console STILL ON, and without pressing any buttons or touching the screen**, remove your SD card from your console
     + The menu will refresh and say that no SD card is inserted
 1. Insert your SD card into your computer
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
 1. In the MSET9 window, type `3`, then press Enter to inject MSET9
@@ -141,7 +138,6 @@ Do NOT skip this section! If you skip it, applications may crash unexpectedly an
 
 1. Power off your console
 1. Insert your SD card into your computer
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
     + The current state should display [Injected](/images/screenshots/mset9/mset9-injected.png)

docs/troubleshooting.md

@@ -138,7 +138,6 @@ If you do *not* getting a reset prompt, your SD card needs to be formatted:
 1. Copy everything off the SD Card to your PC
 1. Format the SD Card ([Windows](formatting-sd-(windows)), [Linux](formatting-sd-(linux)), [macOS](formatting-sd-(mac)))
 1. Copy everything back
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
 1. Type `2` then press enter to check the MSET9 status
@@ -229,7 +228,6 @@ You may be missing `SafeB9S.bin` from the root of your SD card, or the file may
 
 1. Force power off your console by holding the Power button for 20 seconds
 1. Insert your SD card into your computer
-1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
     + The current state should display [Injected](/images/screenshots/mset9/mset9-injected.png)
@@ -257,7 +255,6 @@ Follow these instructions to remove the trigger file and to retry Section II:
 
 1. Force power off your console by holding the Power button for 20 seconds
 1. Insert your SD card into your computer
-1. 1. Run the MSET9 script:
 <!--@include: ./_include/mset9-chorus.md -->
 1. Type the number corresponding to your console model and version, then press Enter
     + The current state should display [Injected](/images/screenshots/mset9/mset9-injected.png)