Revert of Add CSP header for resources with an active policy

Source/core/frame/csp/ContentSecurityPolicy.cpp

Index: Source/core/frame/csp/ContentSecurityPolicy.cpp
diff --git a/Source/core/frame/csp/ContentSecurityPolicy.cpp b/Source/core/frame/csp/ContentSecurityPolicy.cpp
index 8796316d1585c9462734c195400f19a6aa8b7a2b..7533db5ee3cc34b2a34e511ebb043f580591ec65 100644
--- a/Source/core/frame/csp/ContentSecurityPolicy.cpp
+++ b/Source/core/frame/csp/ContentSecurityPolicy.cpp
@@ -900,15 +900,6 @@
     return RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled();
 }
 
-bool ContentSecurityPolicy::shouldSendCSPHeader(Resource::Type type) const
-{
-    for (const auto& policy : m_policies) {
-        if (policy->shouldSendCSPHeader(type))
-            return true;
-    }
-    return false;
-}
-
 bool ContentSecurityPolicy::urlMatchesSelf(const KURL& url) const
 {
     return m_selfSource->matches(url, DidNotRedirect);