Remove unneeded dependency of 'descriptors' on 'javax.inject'

ModuleDescriptorImpl.setModuleConfiguration is only called manually, never by
injectors

core/descriptors/descriptors.iml

@@ -9,7 +9,6 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" scope="PROVIDED" name="intellij-core" level="project" />
     <orderEntry type="module" module-name="util.runtime" />
-    <orderEntry type="library" name="javax.inject" level="project" />
     <orderEntry type="module" module-name="serialization" />
   </component>
 </module>

core/descriptors/src/org/jetbrains/jet/lang/descriptors/ModuleDescriptorImpl.java

@@ -28,7 +28,6 @@ import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.TypeSubstitutor;
 
-import javax.inject.Inject;
 import java.util.Collections;
 import java.util.List;
 
@@ -82,7 +81,7 @@ public class ModuleDescriptorImpl extends DeclarationDescriptorImpl implements M
         return moduleConfiguration;
     }
 
-    @Inject
+    @NotNull
     public ModuleDescriptorImpl setModuleConfiguration(@NotNull ModuleConfiguration moduleConfiguration) {
         assert this.moduleConfiguration == null : "Trying to set module configuration twice for " + this;
         this.moduleConfiguration = moduleConfiguration;