Remove the usage of boost::noncopyable

Prior to this half of the codebase used explicit deleted copy constructors, the others used boost::noncopyable.

libsolidity/analysis/DeclarationContainer.h

@@ -26,7 +26,6 @@
 #include <libsolidity/ast/ASTForward.h>
 #include <liblangutil/Exceptions.h>
 #include <liblangutil/SourceLocation.h>
-#include <boost/noncopyable.hpp>
 
 namespace solidity::frontend
 {

libsolidity/analysis/DeclarationTypeChecker.h

@@ -22,7 +22,6 @@
 #include <libsolidity/ast/ASTAnnotations.h>
 #include <liblangutil/EVMVersion.h>
 
-#include <boost/noncopyable.hpp>
 #include <list>
 #include <map>
 

libsolidity/analysis/GlobalContext.h

@@ -24,7 +24,6 @@
 #pragma once
 
 #include <libsolidity/ast/ASTForward.h>
-#include <boost/noncopyable.hpp>
 #include <map>
 #include <memory>
 #include <string>
@@ -41,9 +40,13 @@ class Type; // forward
  * @note must not be destroyed or moved during compilation as its objects can be referenced from
  * other objects.
  */
-class GlobalContext: private boost::noncopyable
+class GlobalContext
 {
 public:
+	/// Noncopyable.
+	GlobalContext(GlobalContext const&) = delete;
+	GlobalContext& operator=(GlobalContext const&) = delete;
+
 	GlobalContext();
 	void setCurrentContract(ContractDefinition const& _contract);
 	void resetCurrentContract() { m_currentContract = nullptr; }

libsolidity/analysis/NameAndTypeResolver.h

@@ -31,8 +31,6 @@
 
 #include <liblangutil/EVMVersion.h>
 
-#include <boost/noncopyable.hpp>
-
 #include <list>
 #include <map>
 
@@ -48,9 +46,13 @@ namespace solidity::frontend
  * Resolves name references, typenames and sets the (explicitly given) types for all variable
  * declarations.
  */
-class NameAndTypeResolver: private boost::noncopyable
+class NameAndTypeResolver
 {
 public:
+	/// Noncopyable.
+	NameAndTypeResolver(NameAndTypeResolver const&) = delete;
+	NameAndTypeResolver& operator=(NameAndTypeResolver const&) = delete;
+
 	/// Creates the resolver with the given declarations added to the global scope.
 	/// @param _scopes mapping of scopes to be used (usually default constructed), these
 	/// are filled during the lifetime of this object.

libsolidity/analysis/ReferencesResolver.h

@@ -28,7 +28,6 @@
 #include <liblangutil/EVMVersion.h>
 #include <libyul/optimiser/ASTWalker.h>
 
-#include <boost/noncopyable.hpp>
 #include <list>
 #include <map>