Make GetMethodObjectNode#execute public

* Now that we found out that having a public execute(Frame, ...) is fine.

Author: eregon

src/main/java/org/truffleruby/core/kernel/KernelNodes.java

@@ -1310,8 +1310,7 @@ protected RubyNode coerceToString(RubyNode name) {
 
         @Specialization
         protected RubyMethod method(VirtualFrame frame, Object self, Object name) {
-            return getMethodObjectNode
-                    .get(frame, self, name, PRIVATE, readCallerFrame.execute(frame));
+            return getMethodObjectNode.execute(frame, self, name, PRIVATE, readCallerFrame.execute(frame));
         }
 
     }
@@ -1453,8 +1452,7 @@ protected RubyNode coerceToString(RubyNode name) {
 
         @Specialization
         protected RubyMethod publicMethod(VirtualFrame frame, Object self, Object name) {
-            return getMethodObjectNode
-                    .get(frame, self, name, PUBLIC, readCallerFrame.execute(frame));
+            return getMethodObjectNode.execute(frame, self, name, PUBLIC, readCallerFrame.execute(frame));
         }
 
     }

src/main/java/org/truffleruby/language/RubyDynamicObject.java

@@ -375,8 +375,7 @@ public Object readMember(String name,
             if (ivarFoundProfile.profile(iVar != null)) {
                 return iVar;
             } else if (definedNode.execute(null, this, name)) {
-                return getMethodObjectNode
-                        .get(null, this, rubyName, DispatchConfiguration.PRIVATE, null);
+                return getMethodObjectNode.execute(null, this, rubyName, DispatchConfiguration.PRIVATE, null);
             } else {
                 errorProfile.enter();
                 throw UnknownIdentifierException.create(name);

src/main/java/org/truffleruby/language/methods/GetMethodObjectNode.java

@@ -47,12 +47,7 @@ public static GetMethodObjectNode create() {
         return GetMethodObjectNodeGen.create();
     }
 
-    public RubyMethod get(VirtualFrame frame, Object self, Object name,
-            DispatchConfiguration config, MaterializedFrame callerFrame) {
-        return execute(frame, self, name, config, callerFrame);
-    }
-
-    protected abstract RubyMethod execute(Frame frame, Object self, Object name,
+    public abstract RubyMethod execute(Frame frame, Object self, Object name,
             DispatchConfiguration dispatchConfig, MaterializedFrame callerFrame);
 
     @Specialization