Remove redundant checks on nullptr.

CreateTextHelp() itself does the check on nullptr. No need for the
callers to do the same.

Change-Id: Ib57f3b818235a4e0fb302dda3562c9c8a29a4e54
Reviewed-on: https://gerrit.libreoffice.org/30919
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
diff --git a/sc/source/ui/Accessibility/AccessibleEditObject.cxx b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
index 664189b..878ee60 100644
--- a/sc/source/ui/Accessibility/AccessibleEditObject.cxx
+++ b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
@@ -161,8 +161,7 @@ uno::Reference< XAccessible > SAL_CALL ScAccessibleEditObject::getAccessibleAtPo
         SolarMutexGuard aGuard;
        IsObjectValid();

        if(!mpTextHelper)
            CreateTextHelper();
        CreateTextHelper();

        xRet = mpTextHelper->GetAt(rPoint);
    }
@@ -239,8 +238,7 @@ sal_Int32 SAL_CALL
{
    SolarMutexGuard aGuard;
    IsObjectValid();
    if (!mpTextHelper)
        CreateTextHelper();
    CreateTextHelper();
    return mpTextHelper->GetChildCount();
}

@@ -251,8 +249,7 @@ uno::Reference< XAccessible > SAL_CALL
{
    SolarMutexGuard aGuard;
    IsObjectValid();
    if (!mpTextHelper)
        CreateTextHelper();
    CreateTextHelper();
    return mpTextHelper->GetChild(nIndex);
}

@@ -306,8 +303,7 @@ void SAL_CALL
    ScAccessibleEditObject::addAccessibleEventListener(const uno::Reference<XAccessibleEventListener>& xListener)
        throw (uno::RuntimeException, std::exception)
{
    if (!mpTextHelper)
        CreateTextHelper();
    CreateTextHelper();

    mpTextHelper->AddEventListener(xListener);

@@ -318,8 +314,7 @@ void SAL_CALL
    ScAccessibleEditObject::removeAccessibleEventListener(const uno::Reference<XAccessibleEventListener>& xListener)
        throw (uno::RuntimeException, std::exception)
{
    if (!mpTextHelper)
        CreateTextHelper();
    CreateTextHelper();

    mpTextHelper->RemoveEventListener(xListener);