testcases: remove 'use v5.10' as this is automatically done in lib/i3test

testcases/t/02-fullscreen.t

@@ -5,7 +5,6 @@ use i3test tests => 24;
 use X11::XCB qw(:all);
 use List::Util qw(first);
 use Time::HiRes qw(sleep);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/17-workspace.t

@@ -5,7 +5,6 @@
 # (necessary for further tests)
 #
 use i3test tests => 3;
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/18-openkill.t

@@ -5,7 +5,6 @@
 #
 use List::Util qw(first);
 use i3test tests => 6;
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/19-match.t

@@ -5,7 +5,6 @@
 #
 use i3test tests => 4;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/20-multiple-cmds.t

@@ -5,7 +5,6 @@
 #
 use i3test tests => 24;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/21-next-prev.t

@@ -5,7 +5,6 @@
 #
 use i3test tests => 14;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/22-split.t

@@ -5,7 +5,6 @@
 #
 use i3test tests => 14;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/24-move.t

@@ -9,7 +9,6 @@
 #
 use i3test tests => 16;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/26-regress-close.t

@@ -6,7 +6,6 @@
 #
 use i3test tests => 1;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");
 

testcases/t/27-regress-floating-parent.t

@@ -5,7 +5,6 @@
 #
 use i3test tests => 3;
 use X11::XCB qw(:all);
-use v5.10;
 
 my $i3 = i3("/tmp/nestedcons");