[fuchsia] Fix some typos in code blocks. (#35946)
The $s get copied by Github's copy commands, so I removed them.
But then I also forgot some $s on environment variables.
diff --git a/shell/platform/fuchsia/flutter/tests/integration/README.md b/shell/platform/fuchsia/flutter/tests/integration/README.md
index 6b045a5..582230c 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/README.md
+++ b/shell/platform/fuchsia/flutter/tests/integration/README.md
@@ -4,20 +4,20 @@
first start a Fuchsia package server:
```shell
-$ cd "$FUCHSIA_DIR"
-$ fx serve
+cd "$FUCHSIA_DIR"
+fx serve
```
Then run the integration test:
```shell
-$ ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh <integration_test_folder_name> --no-lto
+$ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh <integration_test_folder_name> --no-lto
```
For example, to run the `embedder` integration test:
```shell
-$ ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh embedder --no-lto
+$ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh embedder --no-lto
```
Command-line options:
@@ -43,5 +43,5 @@
`--skip-fuchsia-build` and `--skip-fuchsia-emu` to skip those steps.
```shell
-$ ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh embedder --no-lto --skip-fuchsia-build --skip-fuchsia-emu
+$ENGINE_DIR/flutter/tools/fuchsia/devshell/run_integration_test.sh embedder --no-lto --skip-fuchsia-build --skip-fuchsia-emu
```
