Utils: Remove the *SameLine OutputFormat enums

Presumably, they were intended for output that shouldn't get an
automatic newline, but if there ever was such a thing as automatic
newlines, it must have evaporated over time. All users of
OutputFormatter provide a newline if they want one.

Change-Id: Ibd219b7305fd503ce075d6f77930d2b538d5e2e8
Reviewed-by: hjk <hjk@qt.io>

src/plugins/python/pythonrunconfiguration.cpp

@@ -73,8 +73,7 @@ public:
 private:
     void doAppendMessage(const QString &text, OutputFormat format) final
     {
-        const bool isTrace = (format == StdErrFormat
-                              || format == StdErrFormatSameLine)
+        const bool isTrace = format == StdErrFormat
                           && (text.startsWith("Traceback (most recent call last):")
                               || text.startsWith("\nTraceback (most recent call last):"));