Remove position info from relocation info.

src/ppc/assembler-ppc.h

Index: src/ppc/assembler-ppc.h
diff --git a/src/ppc/assembler-ppc.h b/src/ppc/assembler-ppc.h
index 24166e3c6e989ef6ada53426234f9ba53e7472be..9755478a351ed7dbf82082e6bfb75461ff98f3bd 100644
--- a/src/ppc/assembler-ppc.h
+++ b/src/ppc/assembler-ppc.h
@@ -1221,10 +1221,6 @@ class Assembler : public AssemblerBase {
   void dq(uint64_t data);
   void dp(uintptr_t data);
 
-  AssemblerPositionsRecorder* positions_recorder() {
-    return &positions_recorder_;
-  }
-
   // Read/patch instructions
   Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); }
   void instr_at_put(int pos, Instr instr) {
@@ -1470,8 +1466,6 @@ class Assembler : public AssemblerBase {
   friend class RelocInfo;
   friend class CodePatcher;
   friend class BlockTrampolinePoolScope;
-  AssemblerPositionsRecorder positions_recorder_;
-  friend class AssemblerPositionsRecorder;
   friend class EnsureSpace;
 };