Eliminate extra newlines around doxygen python block math

Eliminate extra leading and trailing newlines around the \f[ and \f{
block math commands for doxygen comment translation for python.
Update tests accordingly.

Examples/test-suite/python/doxygen_translate_all_tags_runme.py

@@ -90,13 +90,10 @@ r""":raises: SuperError
 
 :math:`\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}`
 
-
 .. math::
 
     \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
 
-
-
 .. math::
 
     \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
@@ -111,7 +108,6 @@ r""":raises: SuperError
 
 
 
-
 This will only appear in hmtl""")
 
 comment_verifier.check(inspect.getdoc(doxygen_translate_all_tags.func05),

Source/Doxygen/pydoc.cxx

@@ -446,7 +446,6 @@ void PyDocConverter::handleMath(DoxygenEntity &tag, std::string &translatedComme
     indent.Init(translatedComment, m_indent);
 
     trimWhitespace(translatedComment);
-    translatedComment += '\n';
 
     const string formulaIndent = indent.getFirstLineIndent();
     translatedComment += formulaIndent;
@@ -480,8 +479,6 @@ void PyDocConverter::handleMath(DoxygenEntity &tag, std::string &translatedComme
 
   if (inlineFormula) {
     translatedComment += "`";
-  } else {
-    translatedComment += '\n';
   }
 }