Revert "try test on complex::RsqrtOp diff"

This reverts commit 75456e9.

Author: mofeing

enzyme/Enzyme/MLIR/Implementations/Common.td

@@ -183,9 +183,6 @@ def LlvmExpF : LlvmInst<"ExpOp">;
 def ComplexCreate : ComplexInst<"CreateOp">;
 def ComplexRe : ComplexInst<"ReOp">;
 def ComplexIm : ComplexInst<"ImOp">;
-def ComplexPow : ComplexInst<"PowOp">;
-def ComplexSqrt : ComplexInst<"SqrtOp">;
-def ComplexRsqrt : ComplexInst<"RsqrtOp">;
 
 def CosF : MathInst<"CosOp">;
 def SinF : MathInst<"SinOp">;

enzyme/Enzyme/MLIR/Implementations/ComplexDerivatives.td

@@ -45,17 +45,3 @@ def : MLIRDerivative<"complex", "CreateOp", (Op $re, $im),
                     ]
                   >;
 
-def : MLIRDerivative<"complex", "SqrtOp", (Op $x),
-                    [
-                      (ComplexRsqrt (DiffeRet))
-                    ]
-                  >;
-
-def : MLIRDerivative<"complex", "RsqrtOp", (Op $x),
-                    [
-                      (ComplexPow
-                        (DiffeRet),
-                        (ConstantFP<"-1.5", "complex", "ConstantOp">)
-                      )
-                    ]
-                  >;