Remove position info from relocation info.

src/mips/assembler-mips.h

Index: src/mips/assembler-mips.h
diff --git a/src/mips/assembler-mips.h b/src/mips/assembler-mips.h
index 8f4f9d90e28ca3e70987bc3db5ee849ec3520ae7..64f7d57e10f69bce6749c91afc7629d4a2e19d4e 100644
--- a/src/mips/assembler-mips.h
+++ b/src/mips/assembler-mips.h
@@ -1060,10 +1060,6 @@ class Assembler : public AssemblerBase {
   void dp(uintptr_t data) { dd(data); }
   void dd(Label* label);
 
-  AssemblerPositionsRecorder* positions_recorder() {
-    return &positions_recorder_;
-  }
-
   // Postpone the generation of the trampoline pool for the specified number of
   // instructions.
   void BlockTrampolinePoolFor(int instructions);
@@ -1460,9 +1456,6 @@ class Assembler : public AssemblerBase {
   friend class RelocInfo;
   friend class CodePatcher;
   friend class BlockTrampolinePoolScope;
-
-  AssemblerPositionsRecorder positions_recorder_;
-  friend class AssemblerPositionsRecorder;
   friend class EnsureSpace;
 };