Remove HTMLImports runtime flag (status=stable)

Source/core/html/HTMLLinkElement.cpp

Index: Source/core/html/HTMLLinkElement.cpp
diff --git a/Source/core/html/HTMLLinkElement.cpp b/Source/core/html/HTMLLinkElement.cpp
index 36c1d8d8d1b6c76fa755af831023315715d24047..673e3f1de50ef18e754912686c30a60c8cee59fc 100644
--- a/Source/core/html/HTMLLinkElement.cpp
+++ b/Source/core/html/HTMLLinkElement.cpp
@@ -209,7 +209,7 @@ LinkResource* HTMLLinkElement::linkResourceToProcess()
     }
 
     if (!m_link) {
-        if (m_relAttribute.isImport() && RuntimeEnabledFeatures::htmlImportsEnabled()) {
+        if (m_relAttribute.isImport()) {
             m_link = LinkImport::create(this);
         } else if (m_relAttribute.isManifest() && RuntimeEnabledFeatures::manifestEnabled()) {
             m_link = LinkManifest::create(this);