Removed duplication in MutableResolvedCall interface

'hasIncompleteTypeParameters()' is the same as 'getConstraintSystem() != null'

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CandidateResolver.java

@@ -190,7 +190,7 @@ public class CandidateResolver {
     ) {
         MutableResolvedCall<D> resolvedCall = context.candidateCall;
         ConstraintSystem constraintSystem = resolvedCall.getConstraintSystem();
-        if (!resolvedCall.hasIncompleteTypeParameters() || constraintSystem == null) return;
+        if (constraintSystem == null) return;
 
         // constraints for function literals
         // Value parameters
@@ -337,7 +337,6 @@ public class CandidateResolver {
 
         // Solution
         boolean hasContradiction = constraintSystem.getStatus().hasContradiction();
-        candidateCall.setHasIncompleteTypeParameters(true);
         if (!hasContradiction) {
             return INCOMPLETE_TYPE_INFERENCE;
         }

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/model/MutableResolvedCall.java

@@ -36,17 +36,6 @@ public interface MutableResolvedCall<D extends CallableDescriptor> extends Resol
 
     void setStatusToSuccess();
 
-    /**
-     * Resolved call can have incomplete type parameters
-     * if ResolutionStatus is INCOMPLETE_TYPE_INFERENCE (might be completed successfully)
-     * or OTHER_ERROR (cannot be completed successfully, but if there's only one candidate, should be completed anyway).
-     * @return true if resolved call has unknown type parameters (inference is incomplete)
-     */
-    //todo remove, replace with "typeArguments.isEmpty() && !typeParameters.isEmpty()"
-    boolean hasIncompleteTypeParameters();
-
-    void setHasIncompleteTypeParameters(boolean hasIncompleteTypeParameters);
-
     //todo remove: use value to parameter map status
     boolean isDirty();
 

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/model/ResolvedCallImpl.java

@@ -87,7 +87,6 @@ public class ResolvedCallImpl<D extends CallableDescriptor> implements MutableRe
     private DelegatingBindingTrace trace;
     private TracingStrategy tracing;
     private ResolutionStatus status = UNKNOWN_STATUS;
-    private boolean hasUnknownTypeParameters = false;
     private ConstraintSystem constraintSystem = null;
     private Boolean hasInferredReturnType = null;
     private boolean completed = false;
@@ -126,16 +125,6 @@ public class ResolvedCallImpl<D extends CallableDescriptor> implements MutableRe
         status = ResolutionStatus.SUCCESS;
     }
 
-    @Override
-    public boolean hasIncompleteTypeParameters() {
-        return hasUnknownTypeParameters;
-    }
-
-    @Override
-    public void setHasIncompleteTypeParameters(boolean hasIncompleteTypeParameters) {
-        this.hasUnknownTypeParameters = hasIncompleteTypeParameters;
-    }
-
     @Override
     @NotNull
     public DelegatingBindingTrace getTrace() {