Remove MAXCHARSINPARA truncation in ImpEditEngine::ReadText()

The called ImpInsertText() already handles that gracefully without
truncation. See also related tdf#139974.

Change-Id: I0ecef7ac0b2b8db5962d19c767cbc23e91cb3cfb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128744
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins
diff --git a/editeng/source/editeng/impedit4.cxx b/editeng/source/editeng/impedit4.cxx
index 98805cf..3012504 100644
--- a/editeng/source/editeng/impedit4.cxx
+++ b/editeng/source/editeng/impedit4.cxx
@@ -115,10 +115,6 @@ EditPaM ImpEditEngine::ReadText( SvStream& rInput, EditSelection aSel )
    bool bDone = rInput.ReadByteStringLine( aTmpStr, rInput.GetStreamCharSet() );
    while ( bDone )
    {
        if (aTmpStr.getLength() > MAXCHARSINPARA)
        {
            aTmpStr = aTmpStr.copy(0, MAXCHARSINPARA);
        }
        aPaM = ImpInsertText( EditSelection( aPaM, aPaM ), aTmpStr );
        aPaM = ImpInsertParaBreak( aPaM );
        bDone = rInput.ReadByteStringLine( aTmpStr, rInput.GetStreamCharSet() );