Fix extraneous backslashes in hashlib docs (#109468)

Author: asottile

Doc/library/hashlib.rst

@@ -136,16 +136,16 @@ Using :func:`new` with an algorithm name:
    '031edd7d41651593c5fe5c006fa5752b37fddff7bc4e843aa6af0c950f4b9406'
 
 
-.. function:: md5([, data], \*, usedforsecurity=True)
-.. function:: sha1([, data], \*, usedforsecurity=True)
-.. function:: sha224([, data], \*, usedforsecurity=True)
-.. function:: sha256([, data], \*, usedforsecurity=True)
-.. function:: sha384([, data], \*, usedforsecurity=True)
-.. function:: sha512([, data], \*, usedforsecurity=True)
-.. function:: sha3_224([, data], \*, usedforsecurity=True)
-.. function:: sha3_256([, data], \*, usedforsecurity=True)
-.. function:: sha3_384([, data], \*, usedforsecurity=True)
-.. function:: sha3_512([, data], \*, usedforsecurity=True)
+.. function:: md5([, data], *, usedforsecurity=True)
+.. function:: sha1([, data], *, usedforsecurity=True)
+.. function:: sha224([, data], *, usedforsecurity=True)
+.. function:: sha256([, data], *, usedforsecurity=True)
+.. function:: sha384([, data], *, usedforsecurity=True)
+.. function:: sha512([, data], *, usedforsecurity=True)
+.. function:: sha3_224([, data], *, usedforsecurity=True)
+.. function:: sha3_256([, data], *, usedforsecurity=True)
+.. function:: sha3_384([, data], *, usedforsecurity=True)
+.. function:: sha3_512([, data], *, usedforsecurity=True)
 
 Named constructors such as these are faster than passing an algorithm name to
 :func:`new`.
@@ -234,8 +234,8 @@ A hash object has the following methods:
 SHAKE variable length digests
 -----------------------------
 
-.. function:: shake_128([, data], \*, usedforsecurity=True)
-.. function:: shake_256([, data], \*, usedforsecurity=True)
+.. function:: shake_128([, data], *, usedforsecurity=True)
+.. function:: shake_256([, data], *, usedforsecurity=True)
 
 The :func:`shake_128` and :func:`shake_256` algorithms provide variable
 length digests with length_in_bits//2 up to 128 or 256 bits of security.