Revert "Disable tracing JIT on AppVeyor"

This reverts commit a986933.

	Tracing JIT for Windows is already fixed.

Author: dstogov

appveyor/test_task.bat

@@ -63,7 +63,7 @@ set OPENSSL_CONF=
 rem set SSLEAY_CONF=
 
 rem prepare for Opcache
-if "%OPCACHE%" equ "1" set OPCACHE_OPTS=-d opcache.enable=1 -d opcache.enable_cli=1 -d opcache.protect_memory=1 -d opcache.jit_buffer_size=16M -d opcache.jit=1205
+if "%OPCACHE%" equ "1" set OPCACHE_OPTS=-d opcache.enable=1 -d opcache.enable_cli=1 -d opcache.protect_memory=1 -d opcache.jit_buffer_size=16M
 
 rem prepare for enchant
 mkdir C:\usr\local\lib\enchant-2