[FIR] Don't load unneeded things

It's confusing to stop at breakpoints
related to these loadings when they aren't
actually used.

core/descriptors/src/org/jetbrains/kotlin/builtins/DefaultBuiltIns.kt

@@ -27,7 +27,8 @@ class DefaultBuiltIns(loadBuiltInsFromCurrentClassLoader: Boolean = true) : Kotl
 
     companion object {
         @JvmStatic
-        val Instance: DefaultBuiltIns =
+        val Instance: DefaultBuiltIns by lazy {
             DefaultBuiltIns()
+        }
     }
 }

core/descriptors/src/org/jetbrains/kotlin/types/error/ErrorModuleDescriptor.kt

@@ -20,7 +20,7 @@ object ErrorModuleDescriptor : ModuleDescriptor {
     override val expectedByModules: List<ModuleDescriptor> = emptyList()
     override val allExpectedByModules: Set<ModuleDescriptor> = emptySet()
     override val annotations: Annotations get() = Annotations.EMPTY
-    override val builtIns: KotlinBuiltIns = DefaultBuiltIns.Instance
+    override val builtIns: KotlinBuiltIns by lazy { DefaultBuiltIns.Instance }
     override val isValid: Boolean = false
 
     override fun <T> getCapability(capability: ModuleCapability<T>): T? = null