DOC: Remove duplicate `README` file from `Review` module test folder
DOC: Remove duplicate `README` file from `Review` module test folder

Remove duplicate `README.txt` file from `Review` module test folder: the
file is already present at the `Review` module level in Markdown format.

hjmjohnson/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,vfonov/ITK,Kitware/ITK,BRAINSia/ITK,BRAINSia/ITK,vfonov/ITK,LucasGandel/ITK,vfonov/ITK,thewtex/ITK,richardbeare/ITK,vfonov/ITK,richardbeare/ITK,Kitware/ITK,richardbeare/ITK,BRAINSia/ITK,BRAINSia/ITK,richardbeare/ITK,hjmjohnson/ITK,thewtex/ITK,Kitware/ITK,hjmjohnson/ITK,vfonov/ITK,LucasGandel/ITK,vfonov/ITK,Kitware/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,thewtex/ITK,thewtex/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,LucasGandel/ITK,hjmjohnson/ITK,Kitware/ITK,vfonov/ITK,vfonov/ITK,vfonov/ITK,thewtex/ITK,richardbeare/ITK,BRAINSia/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,InsightSoftwareConsortium/ITK,hjmjohnson/ITK,richardbeare/ITK,LucasGandel/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,thewtex/ITK,BRAINSia/ITK,LucasGandel/ITK