Issue chipsalliance#1718: Fallback to pristine antlr

Introduced RTTI solution seems to be slower than the standard language implementation using dynamic_cast. There is no reason for this to be the case and needs investigation. For the time being, as a stop gap solution, falling back to pristine Antlr to not have all developers pay the penalty.
hs-apotell · Sep 8, 2021 · c9f6a42 · c9f6a42
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commit c9f6a42
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diff --git a/.gitmodules b/.gitmodules
@@ -10,4 +10,3 @@
 [submodule "third_party/antlr4"]
  path = third_party/antlr4
  url = https:/alainmarcel/antlr4.git
- branch = Surelog
diff --git a/third_party/antlr4 b/third_party/antlr4