Unnecessary safe call is now reported in CallExpressionResolver, removed code duplication for safe call receivers

See also KT-10175

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/classGenericsInParamsIndexMismatch.kt

@@ -29,6 +29,6 @@ import p.*
 
 fun <Y, Z> test(b: B<Y, Z>?) {
     if (b is C<Y, Z>) {
-        b?.<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>(null)
+        b<!UNNECESSARY_SAFE_CALL!>?.<!><!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>(null)
     }
 }

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/classVsFunctionGenericsInParamsMismatch.kt

@@ -31,6 +31,6 @@ fun test(b: B?, c: C) {
     b?.foo(1, 1)
     c.foo(1, 1)
     if (b is C) {
-        b?.<!CANNOT_COMPLETE_RESOLVE!>foo<!>(1, 1)
+        b<!UNNECESSARY_SAFE_CALL!>?.<!><!CANNOT_COMPLETE_RESOLVE!>foo<!>(1, 1)
     }
 }

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/simpleWithInheritance.kt

@@ -33,6 +33,6 @@ import p.*
 
 fun test(b: B?) {
     if (b is C && b is D) {
-        b?.<!OVERLOAD_RESOLUTION_AMBIGUITY!>getParent<!>()
+        b<!UNNECESSARY_SAFE_CALL!>?.<!><!OVERLOAD_RESOLUTION_AMBIGUITY!>getParent<!>()
     }
 }

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/substitutedGenericInParams.kt

@@ -29,6 +29,6 @@ import p.*
 
 fun test(b: B?) {
     if (b is C) {
-        b?.<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>("")
+        b<!UNNECESSARY_SAFE_CALL!>?.<!><!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>("")
     }
 }