ENH: Implement intrinsic hypot

[Pranavchiku]

Closes #3011, towards #3000

With this PR we can remove comments for hypot

diff --git a/src/stdlib_specialfunctions_gamma.fypp b/src/stdlib_specialfunctions_gamma.fypp
index 29af406..e8ae0e0 100644
--- a/src/stdlib_specialfunctions_gamma.fypp
+++ b/src/stdlib_specialfunctions_gamma.fypp
@@ -470,7 +470,7 @@ contains
 
         end if
 
-!        d = hypot(z2 % re, z2 % im)
+        d = hypot(z2 % re, z2 % im)
         z1 = z2
         m = 0
 

[certik]

Looks great, thanks!

[certik]

Go ahead and resolve the conflicts and merge.