Remove dev and main branch from workflows. (#404)

* Remove `dev` and `main` branch from workflows.

Update links in documentation.

Signed-off-by: David Galiffi <David.Galiffi@amd.com>

* `amd-staging` -> `amd-mainline` in docs

Signed-off-by: Peter Jun Park <peter.park@amd.com>

---------

Signed-off-by: David Galiffi <David.Galiffi@amd.com>
Signed-off-by: Peter Jun Park <peter.park@amd.com>
Co-authored-by: Peter Jun Park <peter.park@amd.com>

docs/how-to/analyze/cli.rst

@@ -186,7 +186,7 @@ Walkthrough
 
 3. Choose your own customized subset of metrics with the ``-b`` (or ``--block``)
    option. Or, build your own configuration following
-   `config_template <https://github.com/ROCm/omniperf/blob/main/src/omniperf_soc/analysis_configs/panel_config_template.yaml>`_.
+   `config_template <https://github.com/ROCm/omniperf/blob/amd-mainline/src/omniperf_soc/analysis_configs/panel_config_template.yaml>`_.
    The following snippet shows how to generate a report containing only metric 2
    (:doc:`System Speed-of-Light </conceptual/system-speed-of-light>`).