Remove rocscope related code and add deprecation warning for mongo db usecase (#744)

* Remove rocscope related code

* Add deprecation warning for database update mode which is used for grafana and mongodb functionality

[ROCm/rocprofiler-compute commit: cdd41dee40]

projects/rocprofiler-compute/docs/how-to/analyze/grafana-gui.rst

@@ -7,6 +7,10 @@
 Grafana GUI analysis
 ********************
 
+.. warning::
+
+   Grafana and MongoDB functionality is deprecated and will be removed in a future release.
+
 Find setup instructions in :doc:`../../install/grafana-setup`.
 
 The ROCm Compute Profiler Grafana analysis dashboard GUI supports the following features to

projects/rocprofiler-compute/docs/install/grafana-setup.rst

@@ -7,6 +7,10 @@
 Setting up Grafana server for ROCm Compute Profiler
 ***************************************************
 
+.. warning::
+
+   Grafana and MongoDB functionality is deprecated and will be removed in a future release.
+
 A Grafana server is *not required* to profile or analyze performance data
 from the CLI. It's a supplementary mechanism to help you import performance
 data and examine it in a detailed