[CSApply] Remove extraneous setExprTypes from pattern binding conditions

All the types are going to be introduced to the AST by `rewriteTarget`.

Author: xedin

lib/Sema/CSApply.cpp

@@ -9011,7 +9011,6 @@ ExprWalker::rewriteTarget(SolutionApplicationTarget target) {
         if (!resolvedTarget)
           return None;
 
-        solution.setExprTypes(resolvedTarget->getAsExpr());
         condElement.setInitializer(resolvedTarget->getAsExpr());
         condElement.setPattern(resolvedTarget->getInitializationPattern());
         continue;