crypt32: Remove unused variables

[Andrew Talbot]

Changelog:
    crypt32: Remove unused variables.

diff --git a/dlls/crypt32/oid.c b/dlls/crypt32/oid.c
index 4f09e7b..4c3f95f 100644
--- a/dlls/crypt32/oid.c
+++ b/dlls/crypt32/oid.c
@@ -1053,9 +1053,6 @@ static const WCHAR rc2[] = { 'r','c','2',0 };
 static const WCHAR rc4[] = { 'r','c','4',0 };
 static const WCHAR sha[] = { 's','h','a',0 };
 static const WCHAR sha1[] = { 's','h','a','1',0 };
-static const WCHAR sha256[] = { 's','h','a','2','5','6',0 };
-static const WCHAR sha384[] = { 's','h','a','3','8','4',0 };
-static const WCHAR sha512[] = { 's','h','a','5','1','2',0 };
 static const WCHAR RSA[] = { 'R','S','A',0 };
 static const WCHAR RSA_KEYX[] = { 'R','S','A','_','K','E','Y','X',0 };
 static const WCHAR RSA_SIGN[] = { 'R','S','A','_','S','I','G','N',0 };