reference.docx: fix validation error on pStyle

There were 2 `pStyle` for `Abstract`:
```
./tmp/document-pretty.xml:47: element pStyle: Schemas validity error : Element '{http://schemas.openxmlformats.org/wordprocessingml/2006/main}pStyle': This element is not expected. Expected is one of ( {http://schemas.openxmlformats.org/wordprocessingml/2006/main}keepNext, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}keepLines, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}pageBreakBefore, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}framePr, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}widowControl, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}numPr, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}suppressLineNumbers, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}pBdr, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}shd, {http://schemas.openxmlformats.org/wordprocessingml/2006/main}tabs ).
```

Signed-off-by: Edwin Török <edwin@etorok.net>

0 files changed, 0 insertions, 0 deletions