Remove fatalized warnings

lib/Math/Function/Interpolator.pm

@@ -2,7 +2,7 @@ package Math::Function::Interpolator;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 use Carp qw(confess);
 use Scalar::Util qw(looks_like_number);

lib/Math/Function/Interpolator/Cubic.pm

@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Cubic;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 ## VERSION
 

lib/Math/Function/Interpolator/Linear.pm

@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Linear;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 our @ISA = qw(Math::Function::Interpolator);
 

lib/Math/Function/Interpolator/Quadratic.pm

@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Quadratic;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 ## VERSION
 

t/boilerplate.t

@@ -1,7 +1,7 @@
 #!perl -T
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 use Test::More;
 
 plan tests => 3;