JBDS-4327 DevStudio detection
JBDS-4327 DevStudio detection

Fix removes unused code to increase code coverage. This commit is
going to be recorded in JIRA to let for easy revert when removed
code is acually used

redhat-developer-tooling/developer-platform-install,redhat-developer-tooling/developer-platform-install,dgolovin/developer-platform-install,dgolovin/developer-platform-install