Doc: Remove repository name from examplesinstallpath

Examples in binary packages now directly match the install path.

Task-number: QTBUG-52953
Change-Id: Ib0a413b8820473338e9b95443b41fcee0294fcff
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

src/virtualkeyboard/doc/qtvirtualkeyboard.qdocconf

@@ -17,7 +17,7 @@ excludedirs += ../content/layouts \
 
 exampledirs += ../../../examples/virtualkeyboard \
     snippets
-examplesinstallpath = qtvirtualkeyboard/virtualkeyboard
+examplesinstallpath = virtualkeyboard
 imagedirs += images
 
 depends += qtcore qtgui qtquick