Fix pylint warning [C0325(superfluous-parens), ] Unnecessary parens after u'if' keyword
************* Module runtime.PLCObject
runtime/PLCObject.py:609: [C0325(superfluous-parens), ] Unnecessary parens after u'if' keyword
<xsd:element name="Xenomai">
<xsd:complexType>
%(toolchain_gcc)s
<xsd:attribute name="XenoConfig" type="xsd:string" use="optional" default="xeno-config"/>
</xsd:complexType>
</xsd:element>