minor: remove files from target in svn (this directory should be ignored by...

minor: remove files from target in svn (this directory should be ignored by svn). There is an info in readme.txt so the removed file is not that important.

SVN: 6625

integration-tests/targets/install/Place_Datamover_Distribution_Here.txt

-If you run the integration test from a branch which does not have a datamover, 
-you should put a datamover distribution (which has the pattern 'datamover-*.zip') here
-and run the integration tests from the command line the followin way:
-
-	./run.sh --etl --lims --local-source --reinstall-all
-	
-Or just run the Eclipse 'External Tool': "Launch branch integration tests - rebuild local openBIS and ETL"
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