fix: remove call to opts.fd_radius

cli does not have an option for `fd_radius`

mriqc/cli/parser.py

@@ -562,7 +562,7 @@ def parse_args(args=None, namespace=None):
             # mean distance from the lateral edge to the center of the brain is
             # ~ PA:10 mm, LR:7.5 mm, and IS:5 mm (see DOI: 10.1089/089771503770802853)
             # roll movement is most likely to occur, so set to 7.5 mm
-            config.workflow.fd_radius = 7.5 if opts.fd_radius is None else opts.fd_radius
+            config.workflow.fd_radius = 7.5
             config.workflow.headmask = "NoBET"
             # block uploads for the moment; can be reversed before wider release
             config.execution.no_sub = True