Remove exception in Randomizer::getInt()

Same reasoning as in the previous commit applies.

Author: TimWolla

ext/random/randomizer.c

@@ -132,7 +132,6 @@ PHP_METHOD(Random_Randomizer, getInt)
 
 	result = randomizer->algo->range(randomizer->status, min, max);
 	if (EG(exception)) {
-		zend_throw_exception(spl_ce_RuntimeException, "Random number generation failed", 0);
 		RETURN_THROWS();
 	}
 

ext/random/tests/03_randomizer/user_unsafe.phpt

@@ -71,11 +71,6 @@ Stack trace:
 #0 %s(%d): Random\Randomizer->getInt(0, 123)
 #1 {main}
 
-Next RuntimeException: Random number generation failed in %s:%d
-Stack trace:
-#0 %s(%d): Random\Randomizer->getInt(0, 123)
-#1 {main}
-
 -------
 
 Error: A random engine must return a non-empty string in %s:%d
@@ -111,11 +106,6 @@ Stack trace:
 #0 %s(%d): Random\Randomizer->getInt(0, 123)
 #1 {main}
 
-Next RuntimeException: Random number generation failed in %s:%d
-Stack trace:
-#0 %s(%d): Random\Randomizer->getInt(0, 123)
-#1 {main}
-
 -------
 
 string(2) "ff"