cleanup: prune imports

frontend/convertDynamics.dcl

@@ -3,8 +3,8 @@
 */
 definition module convertDynamics
 
-import syntax, transform
-
+import syntax , checksupport
+from transform import ::Group
 :: TypeCodeVariableInfo
 :: DynamicValueAliasInfo
 

frontend/convertDynamics.icl

@@ -3,8 +3,7 @@
 */
 implementation module convertDynamics
 
-import syntax, transform, utilities, convertcases, compilerSwitches
-// import RWSDebug
+import syntax
 
 from type_io_common import PredefinedModuleName
 // Optional