Deprecate DCE:on (#13839)

lib/wrappers/iup.nim

@@ -34,8 +34,6 @@
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 # ****************************************************************************
 
-{.deadCodeElim: on.}  # dce option deprecated
-
 when defined(windows):
   const dllname = "iup(|30|27|26|25|24).dll"
 elif defined(macosx):

lib/wrappers/mysql.nim

@@ -7,7 +7,6 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}  # dce option deprecated
 {.push, callconv: cdecl.}
 when defined(nimHasStyleChecks):
   {.push styleChecks: off.}

lib/wrappers/odbcsql.nim

@@ -7,8 +7,6 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}  # dce option deprecated
-
 when not defined(ODBCVER):
   const
     ODBCVER = 0x0351 ## define ODBC version 3.51 by default

lib/wrappers/openssl.nim

@@ -22,7 +22,6 @@
 ##   ./bin/nim c -d:ssl -p:. -r tests/untestable/tssl.nim
 ##   ./bin/nim c -d:ssl -p:. --dynlibOverride:ssl --passl:-lcrypto --passl:-lssl -r tests/untestable/tssl.nim
 
-{.deadCodeElim: on.}  # dce option deprecated
 when defined(nimHasStyleChecks):
   {.push styleChecks: off.}
 

lib/wrappers/pcre.nim

@@ -7,8 +7,6 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}  # dce option deprecated
-
 # The current PCRE version information.
 
 const

lib/wrappers/postgres.nim

@@ -15,7 +15,6 @@
 # connection-protocol.
 #
 
-{.deadCodeElim: on.}  # dce option deprecated
 when defined(nimHasStyleChecks):
   {.push styleChecks: off.}
 

lib/wrappers/sqlite3.nim

@@ -7,8 +7,6 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}  # dce option deprecated
-
 when defined(nimHasStyleChecks):
   {.push styleChecks: off.}