ide_development_instance.md: link to JBR Confluence page instead of Bintray
ide_development_instance.md: link to JBR Confluence page instead of Bintray

artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs,artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs,artspb/intellij-sdk-docs,artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs