Delete test testing a weird delegate implementation detail (dotnet#102647)

Apparently on CoreCLR delegates pointing to different static methods on the same type have the same HashCode. It doesn't sound like something that should be enshrined in tests. Putting this out in a separate PR to potentially get more eyes on this.

Author: MichalStrehovsky

src/tests/CoreMangLib/system/delegate/delegate/delegategethashcode1.cs

@@ -43,8 +43,6 @@ public bool RunTests()
             retVal = PosTest1() && retVal;
             retVal = PosTest2() && retVal;
             retVal = PosTest3() && retVal;
-            retVal = PosTest4() && retVal;
-            retVal = PosTest6() && retVal;
             retVal = PosTest7() && retVal;
             retVal = PosTest8() && retVal;
             return retVal;
@@ -150,71 +148,6 @@ public bool PosTest3()
         // Returns true if the expected result is right
         // Returns false if the expected result is wrong
         // the same delegate object  is booldelegate
-        public bool PosTest4()
-        {
-            bool retVal = true;
-
-            TestLibrary.TestFramework.BeginScenario("PosTest4: Use the same type's different static method to create two delegate which delegate object is the same,their hashcode is equal ");
-
-            try
-            {
-                DelegateGetHashCode delctor = new DelegateGetHashCode();
-                booldelegate workDelegate1= new booldelegate(TestClass.Working_Bool);
-                booldelegate workDelegate = new booldelegate(TestClass.Completed_Bool);
-                if (workDelegate.GetHashCode() != workDelegate1.GetHashCode())
-                {
-                    TestLibrary.TestFramework.LogError("007", "HashCode is not excepted ");
-                    retVal = false;
-                }
-
-                workDelegate();
-                workDelegate1();
-
-            }
-            catch (Exception e)
-            {
-                TestLibrary.TestFramework.LogError("008", "Unexpected exception: " + e);
-                retVal = false;
-            }
-
-            return retVal;
-        }
-        // Returns true if the expected result is right
-        // Returns false if the expected result is wrong
-        // the same delegate object  is booldelegate
-        public bool PosTest6()
-        {
-            bool retVal = true;
-
-            TestLibrary.TestFramework.BeginScenario("PosTest6:  Use the different type's same static method to create two delegate ,which delegate object is the same,their hashcode is equal");
-
-            try
-            {
-                DelegateGetHashCode delctor = new DelegateGetHashCode();
-                booldelegate workDelegate = new booldelegate(TestClass.Completed_Bool);
-                booldelegate workDelegate1 = new booldelegate(TestClass1.Completed_Bool);
-
-                if (workDelegate.GetHashCode()!=workDelegate1.GetHashCode())
-                {
-                    TestLibrary.TestFramework.LogError("011", "HashCode is not excepted");
-                    retVal = false;
-                }
-
-                workDelegate();
-                workDelegate1();
-
-            }
-            catch (Exception e)
-            {
-                TestLibrary.TestFramework.LogError("012", "Unexpected exception: " + e);
-                retVal = false;
-            }
-
-            return retVal;
-        }
-        // Returns true if the expected result is right
-        // Returns false if the expected result is wrong
-        // the same delegate object  is booldelegate
         public bool PosTest7()
         {
             bool retVal = true;