FreeBSD/ports 8777cf2 (r490677). MOVED, lang Makefile

Remove metaport for clang-devel.

Once upon a time I made lang/clang* metaports to go with devel/llvm* ports.
I stopped several years ago and this is the only one left.  It doesn't
serve much purpose so remove it.
DeltaFile
+0-21lang/clang-devel/Makefile
+0-7lang/clang-devel/pkg-descr
+1-0MOVED
+0-1lang/Makefile
+1-294 files

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