cleanup composer

require+suggests has no value, require'd libraries always installed

also "lib-openssl" was incorrect (no calls to dlopen() to use openssl
library), but ext-openssl as it's methods being used.

refs c4f2347: Fix #63. Add dependences to composer.

Author: glensc

composer.json

@@ -32,8 +32,6 @@
         "squizlabs/php_codesniffer": "2.9.0"
     },
     "suggest": {
-        "lib-openssl": "Install openssl lib in order to handle with x509 certs (require to support sign and encryption)",
-        "ext-mcrypt": "Install mcrypt and php5-mcrypt libs in order to support encryption",
         "ext-gettext": "Install gettext and php5-gettext libs to handle translations"
     }
 }