[CodeCompletion] No longer show static enum members on enum types

(even if the call is theoretical valid).

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -2323,11 +2323,6 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 						continue;
 					result.AddMember(field);
 				}
-				foreach (var m in type.GetMethods ()) {
-					if (m.IsStatic && m.IsPublic) {
-						result.AddMember(m);
-					}
-				}
 				return result.Result;
 			}
 			
@@ -2351,11 +2346,6 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 							foreach (var field in trr.Type.GetFields ()) {
 								result.AddMember(field);
 							}
-							foreach (var m in trr.Type.GetMethods ()) {
-								if (m.Name == "TryParse" && m.IsStatic) {
-									result.AddMember(m);
-								}
-							}
 							return result.Result;
 						}
 					}

ICSharpCode.NRefactory.Tests/CSharp/CodeCompletion/CodeCompletionBugTests.cs

@@ -4572,7 +4572,7 @@ class Test
     }
 }
 ");
-			Assert.AreEqual (4, provider.Count); // 2xTryParse + 2 fields
+			Assert.AreEqual (2, provider.Count); // 2 fields
 			Assert.IsNotNull (provider.Find ("Value1"), "field 'Value1' not found.");
 			Assert.IsNotNull (provider.Find ("Value2"), "field 'Value2' not found.");
 		}