Fix compiler warnings in compiler code

compiler/frontend.common/src/org/jetbrains/kotlin/analyzer/ModuleInfo.kt

@@ -7,9 +7,8 @@ package org.jetbrains.kotlin.analyzer
 
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.resolve.PlatformDependentAnalyzerServices
 import org.jetbrains.kotlin.platform.TargetPlatform
-
+import org.jetbrains.kotlin.resolve.PlatformDependentAnalyzerServices
 
 interface ModuleInfo {
     val name: Name
@@ -30,7 +29,7 @@ interface ModuleInfo {
     // but if they are present, they should come after JVM built-ins in the dependencies list, because JVM built-ins contain
     // additional members dependent on the JDK
     fun dependencyOnBuiltIns(): ModuleInfo.DependencyOnBuiltIns =
-        analyzerServices?.dependencyOnBuiltIns() ?: ModuleInfo.DependencyOnBuiltIns.LAST
+        analyzerServices.dependencyOnBuiltIns()
 
     //TODO: (module refactoring) provide dependency on builtins after runtime in IDEA
     enum class DependencyOnBuiltIns { NONE, AFTER_SDK, LAST }
@@ -41,4 +40,4 @@ interface ModuleInfo {
 }
 
 val ModuleDescriptor.moduleInfo: ModuleInfo?
-    get() = getCapability(ModuleInfo.Capability)
+    get() = getCapability(ModuleInfo.Capability)