style: Remove unused ignore md tags

rust-doc-style-guide.md

@@ -91,7 +91,7 @@ To simplify link maintenance, follow the rules below:
 
 Example:
 
-```
+```md
 [`espup`][espup-github] is a tool that simplifies installing and maintaining the components required to develop Rust applications.
 
 [espup-github]: https://github.com/esp-rs/espup

src/misc/troubleshooting.md

@@ -102,7 +102,7 @@ If using GNU ABI, install [MinGW/MSYS2 toolchain].
 
 You must clean your project and rebuild for changes in the `sdkconfig.defaults` to take effect:
 
-```shell,ignore
+```shell
 cargo clean
 cargo build
 ```
@@ -127,7 +127,7 @@ Instead, we are building the documentation and hosting it ourselves on GitHub Pa
 
 If the second-stage bootloader reports this error, you likely need to increase the stack size for the main task. This can be accomplished by adding the following to the `sdkconfig.defaults` file:
 
-```ignore
+```text
 CONFIG_ESP_MAIN_TASK_STACK_SIZE=7000
 ```
 
@@ -137,7 +137,7 @@ In this example, we are allocating 7kB for the main task's stack.
 
 Add to your `sdkconfig.defaults` file:
 
-```ignore
+```text
 CONFIG_INT_WDT=n
 CONFIG_ESP_TASK_WDT=n
 ```

src/writing-your-own-application/generate-project/esp-idf-template.md

@@ -74,6 +74,7 @@ Before going further, let's see what these files are for.
 7     println!("Hello, world!");
 8 }
 ```
+
 The first line is an import that defines the esp-idf entry-point when the root crate is a binary crate that defines a main function.
 
 Then, we have a usual main function with a  few lines on it:
@@ -96,6 +97,7 @@ Since our [`runner` configuration][runner-config] also passes the `--monitor` ar
 > `cargo install espflash`
 
 You should see something similar to this:
+
 ```text
 [2023-04-18T08:05:09Z INFO ] Connecting...
 [2023-04-18T08:05:10Z INFO ] Using flash stub
@@ -117,6 +119,7 @@ Commands:
 I (344) cpu_start: Starting scheduler.
 Hello, world!
 ```
+
 As you can see, there are messages from the first and second stage bootloader and then, our "Hello, world!" is printed.
 
 You can reboot with `CTRL+R` or exit with `CTRL+C`.