Stop passing -requirement-machine-{abstract,inferred,protocol}-signatures flags in tests

These flags are now no-ops.

Author: slavapestov

test/AutoDiff/SILGen/differentiability_witness_generic_signature.swift

@@ -1,5 +1,5 @@
-// RUN: %target-swift-emit-silgen -verify -module-name main %s -requirement-machine-inferred-signatures=on -warn-redundant-requirements | %FileCheck %s
-// RUN: %target-swift-emit-sil -verify -module-name main %s -requirement-machine-inferred-signatures=on -warn-redundant-requirements
+// RUN: %target-swift-emit-silgen -verify -module-name main %s -warn-redundant-requirements | %FileCheck %s
+// RUN: %target-swift-emit-sil -verify -module-name main %s -warn-redundant-requirements
 
 // NOTE(SR-11950): SILParser crashes for SILGen round-trip.
 

test/AutoDiff/SILOptimizer/generics.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-sil -verify %s -requirement-machine-inferred-signatures=on -warn-redundant-requirements | %FileCheck %s -check-prefix=CHECK-SIL
+// RUN: %target-swift-emit-sil -verify %s -warn-redundant-requirements | %FileCheck %s -check-prefix=CHECK-SIL
 
 import _Differentiation
 

test/AutoDiff/Sema/differentiable_func_type.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -typecheck -verify %s -requirement-machine-protocol-signatures=on -requirement-machine-inferred-signatures=on
+// RUN: %target-swift-frontend -typecheck -verify %s
 
 import _Differentiation
 

test/Compatibility/anyobject_class.swift

@@ -1,5 +1,5 @@
-// RUN: %target-typecheck-verify-swift -swift-version 4 -requirement-machine-protocol-signatures=on -warn-redundant-requirements
-// RUN: not %target-swift-frontend -typecheck -swift-version 5 -requirement-machine-protocol-signatures=on
+// RUN: %target-typecheck-verify-swift -swift-version 4 -warn-redundant-requirements
+// RUN: not %target-swift-frontend -typecheck -swift-version 5
 
 protocol P : class, AnyObject { } // expected-warning{{redundant inheritance from 'AnyObject' and Swift 3 'class' keyword}}{{14-21=}}
 // expected-warning@-1{{redundant constraint 'Self' : 'AnyObject'}}

test/Compatibility/stdlib_generic_typealiases.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -requirement-machine-inferred-signatures=on
+// RUN: %target-typecheck-verify-swift
 
 struct RequiresStrideable<T: Strideable> { }
 

test/Constraints/casts.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -enable-objc-interop -requirement-machine-inferred-signatures=on
+// RUN: %target-typecheck-verify-swift -enable-objc-interop
 
 class B { 
   init() {} 

test/Constraints/generic_super_constraint.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift %s -requirement-machine-inferred-signatures=on -warn-redundant-requirements
+// RUN: %target-typecheck-verify-swift %s -warn-redundant-requirements
 
 class Base<T> { }
 class Derived: Base<Int> { }

test/Constraints/generics.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -enable-objc-interop -requirement-machine-protocol-signatures=on -requirement-machine-inferred-signatures=on
+// RUN: %target-typecheck-verify-swift -enable-objc-interop
 
 infix operator +++
 

test/Constraints/rdar39931339.swift

@@ -1,5 +1,5 @@
 // RUN: %target-typecheck-verify-swift
-// RUN: not %target-swift-frontend -typecheck %s -debug-generic-signatures -requirement-machine-inferred-signatures=on 2>&1 | %FileCheck %s
+// RUN: not %target-swift-frontend -typecheck %s -debug-generic-signatures 2>&1 | %FileCheck %s
 
 protocol P {}
 

test/Constraints/same_types.swift

@@ -1,5 +1,5 @@
-// RUN: %target-typecheck-verify-swift -requirement-machine-inferred-signatures=on -warn-redundant-requirements
-// RUN: not %target-swift-frontend -typecheck %s -debug-generic-signatures -requirement-machine-inferred-signatures=on 2>&1 | %FileCheck %s
+// RUN: %target-typecheck-verify-swift -warn-redundant-requirements
+// RUN: not %target-swift-frontend -typecheck %s -debug-generic-signatures 2>&1 | %FileCheck %s
 
 protocol Fooable {
   associatedtype Foo // expected-note{{protocol requires nested type 'Foo'; do you want to add it?}}