Fully removed Context class

- responsibilities subsumed by RunContext

include/internal/catch_impl.hpp

@@ -19,7 +19,6 @@
 #include "../catch_session.hpp"
 #include "catch_registry_hub.hpp"
 #include "catch_notimplemented_exception.hpp"
-#include "catch_context_impl.hpp"
 #include "catch_console_colour_impl.hpp"
 #include "catch_assertionresult.hpp"
 #include "catch_test_case_info.hpp"
@@ -35,6 +34,7 @@
 #include "catch_result_builder.hpp"
 #include "catch_tag_alias_registry.hpp"
 #include "catch_test_case_tracker.hpp"
+#include "catch_stream.hpp"
 
 #include "../reporters/catch_reporter_multi.hpp"
 #include "../reporters/catch_reporter_xml.hpp"
@@ -52,7 +52,6 @@ namespace Catch {
     CoutStream::~CoutStream() CATCH_NOEXCEPT {}
     DebugOutStream::~DebugOutStream() CATCH_NOEXCEPT {}
     StreamBufBase::~StreamBufBase() CATCH_NOEXCEPT {}
-    IContext::~IContext() {}
     IRunContext::~IRunContext() {}
     ITestCase::~ITestCase() {}
     ITestCaseRegistry::~ITestCaseRegistry() {}
@@ -75,7 +74,6 @@ namespace Catch {
     StreamingReporterBase::~StreamingReporterBase() {}
     ConsoleReporter::~ConsoleReporter() {}
     CompactReporter::~CompactReporter() {}
-    IMutableContext::~IMutableContext() {}
     IConfig::~IConfig() {}
     XmlReporter::~XmlReporter() {}
     JunitReporter::~JunitReporter() {}