Remove ../ from Targets

Remove repeating '../' pattern from target names, since we generate
the targets in the correct location with CMake.

Change-Id: I89d527a9ad717f742f8d0e5921f378e6ac0a229d
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

util/cmake/pro2cmake.py

@@ -796,8 +796,10 @@ class Scope(object):
 
     @property
     def TARGET(self) -> str:
-        return self.expandString('TARGET') \
+        target =  self.expandString('TARGET') \
             or os.path.splitext(os.path.basename(self.file))[0]
+        return re.sub('\.\./', '', target)
+
     @property
     def _INCLUDED(self) -> typing.List[str]:
         return self.get('_INCLUDED')