Markdown linter fixes

Signed-off-by: AJRepo <AJRepo@users.noreply.github.com>

doc/installing.md

@@ -369,8 +369,6 @@ below (shown for example purposes) may not exactly match what your version of In
 
 We recommend having at least 2GiB of RAM to allow the build to complete.
 
-
-
 ```{terminal}
 :input: make deps
 
@@ -402,7 +400,7 @@ Please set the following in your environment (possibly ~/.bashrc)
 > then enable bookworm-backports and specify bookworm-backports in the apt install to override 1.19.
 >
 >```console
->$ sudo apt install -t bookworm-backports golang-go
+>sudo apt install -t bookworm-backports golang-go
 >```
 
 ### From source: Install