remove conditionnal complex mutation file

tools/staramr/staramr_search.xml

@@ -72,9 +72,8 @@ $advanced.exclude_resistance_phenotypes
     --no-exclude-genes
 #end if
 
-
-#if str($advanced.complex_mutations.complex_mutations_condition) == 'custom'
-    --complex-mutations-file '${advanced.complex_mutations.complex_mutations_file}'
+#if $advanced.complex_mutations_file
+    --complex-mutations-file '$advanced.complex_mutations_file'
 #end if
 
 #if str($advanced.plasmidfinder_type) != 'include_all'
@@ -296,16 +295,7 @@ $named_genomes &&
                 </when>
                 <when value="none" />
             </conditional>
-            <conditional name="complex_mutations">
-                <param name="complex_mutations_condition" type="select" label="Provide a custom list of complex mutations">
-                    <option value="default" selected="true">Use default list of complex mutations</option>
-                    <option value="custom">Provide a custom list of complex mutations</option>
-                </param>
-                <when value="default" />
-                <when value="custom">
-                    <param type="data" name="complex_mutations_file" format="txt,tabular" label="Complex mutations file" help="Pass a file containing a list of complex mutations to group (if present) in the PointFinder results" />
-                </when>
-            </conditional>
+            <param type="data" name="complex_mutations_file" format="txt,tabular" label="Complex mutations file" optional="true" help="Pass a file containing a list of complex mutations to group (if present) in the PointFinder results" />
             <param name="plasmidfinder_type" type="select" label="Specify PlasmidFinder Database type">
                 <option value="include_all" selected="true">Include all available database types</option>
                 <option value="gram_positive">Gram Positive</option>