CGDecl.cpp: Prune three descriptions in two methods, CodeGenFunction::pushIrregularPa...

CGDecl.cpp: Prune three descriptions in two methods, CodeGenFunction::pushIrregularPartialArrayCleanup() and CodeGenFunction::pushRegularPartialArrayCleanup(). [-Wdocumentation]

/// \param array - a value of type elementType*
/// \param destructionKind - the kind of destruction required
/// \param initializedElementCount - a value of type size_t* holding the number of successfully-constructed elements

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171013 91177308-0d34-0410-b5e6-96231b3b80d8