Remove obsolete extension point implementations

- There's no class with FQ name
  org.jetbrains.kotlin.resolve.jvm.AnalyzeCompleteHandlerExtension anymore
- There's no substring classBuilderInterceptorExtension anywhere else in
  the project

idea/src/META-INF/extensions/kotlin2jvm.xml

@@ -2,8 +2,6 @@
     <id>org.jetbrains.kotlin</id>
 
     <extensions defaultExtensionNs="org.jetbrains.kotlin">
-        <classBuilderInterceptorExtension implementation="org.jetbrains.kotlin.annotation.AnnotationCollectorExtension"/>
-        <analyzeCompleteHandlerExtension implementation="org.jetbrains.kotlin.resolve.jvm.AnalyzeCompleteHandlerExtension"/>
         <scriptHelper implementation="org.jetbrains.kotlin.script.ScriptHelperImpl"/>
     </extensions>
 </idea-plugin>