revert VFA_SLOW it's not used (yet)

Author: danmar

lib/valueflow.cpp

@@ -8592,9 +8592,9 @@ static ValueFlowPassAdaptor<F> makeValueFlowPassAdaptor(const char* name, bool c
     return {name, cpp, run};
 }
 
-#define VALUEFLOW_ADAPTOR(cpp, slow, ...)                                                                              \
+#define VALUEFLOW_ADAPTOR(cpp, ...)                                                                                    \
     makeValueFlowPassAdaptor(#__VA_ARGS__,                                                                             \
-                             (cpp),                                                                                    \
+                             (cpp),                                                                                      \
                              [](TokenList& tokenlist,                                                                  \
                                 SymbolDatabase& symboldatabase,                                                        \
                                 ErrorLogger& errorLogger,                                                              \
@@ -8603,14 +8603,13 @@ static ValueFlowPassAdaptor<F> makeValueFlowPassAdaptor(const char* name, bool c
         (void)tokenlist;                                                                      \
         (void)symboldatabase;                                                                 \
         (void)errorLogger;                                                                    \
+        (void)settings;                                                                       \
         (void)skippedFunctions;                                                               \
-        if (!(slow) || settings.checkLevel >= Settings::CheckLevel::normal)                     \
-            __VA_ARGS__;                                                                      \
+        __VA_ARGS__;                                                                          \
     })
 
-#define VFA(...) VALUEFLOW_ADAPTOR(false, false, __VA_ARGS__)
-#define VFA_CPP(...) VALUEFLOW_ADAPTOR(true, false, __VA_ARGS__)
-#define VFA_SLOW(...) VALUEFLOW_ADAPTOR(false, true, __VA_ARGS__)
+#define VFA(...) VALUEFLOW_ADAPTOR(false, __VA_ARGS__)
+#define VFA_CPP(...) VALUEFLOW_ADAPTOR(true, __VA_ARGS__)
 
 void ValueFlow::setValues(TokenList& tokenlist,
                           SymbolDatabase& symboldatabase,