Remove JDK auto-setter

Because JDK should be correctly detected now that #14916 has been merged.

Author: felladrin

components/ide/jetbrains/backend-plugin/src/main/kotlin/io/gitpod/jetbrains/remote/GitpodProjectManager.kt

@@ -28,7 +28,6 @@
         <applicationService serviceImplementation="io.gitpod.jetbrains.remote.GitpodManager" preload="true"/>
         <notificationGroup id="Gitpod Notifications" displayType="BALLOON" isLogByDefault="false"/>
         <httpRequestHandler implementation="io.gitpod.jetbrains.remote.GitpodCLIService"/>
-        <projectService serviceImplementation="io.gitpod.jetbrains.remote.GitpodProjectManager" preload="true"/>
         <gateway.customization.name
                 implementation="io.gitpod.jetbrains.remote.GitpodGatewayClientCustomizationProvider"/>
         <gateway.customization.performance id="gitpodMetricsControl" order="before cpuControl"