Update auipc.yaml

Fix indentation for operation()

Author: dhower-qc

arch/inst/I/auipc.yaml

@@ -19,22 +19,7 @@ auipc:
     vs: always
     vu: always
     data_independent_timing: true
-    operation(): X[rd] = $pc + imm;
-
-
-
-  sail(): |
-    {
-      let off : xlenbits = sign_extend(imm @ 0x000);
-      let ret : xlenbits = match op {
-        RISCV_LUI   => off,
-        RISCV_AUIPC => get_arch_pc() + off
-      };
-      X(rd) = ret;
-      RETIRE_SUCCESS
-    }
-  
-  
+  operation(): X[rd] = $pc + imm;
 
 
   sail(): |