Refactoring: Removed 'possibleError'

lib/check.h

@@ -101,8 +101,6 @@ protected:
         std::list<const Token *> callstack;
         if (tok)
             callstack.push_back(tok);
-        else if (severity == Severity::possibleError)
-            return;		// don't list inconclusive checks in the --errorlist output
         reportError(callstack, severity, id, msg);
     }
 

lib/errorlogger.h

@@ -322,7 +322,7 @@ private:
 class Severity
 {
 public:
-    enum e { error, style, possibleError };
+    enum e { error, style };
     static std::string stringify(e severity)
     {
         switch (severity)
@@ -331,8 +331,6 @@ public:
             return "error";
         case style:
             return "style";
-        case possibleError:
-            return "possible error";
         };
         return "???";
     }