Remove obsolete MSVC check from pragma guard

 git grep -h -B1 "^#\s*pragma once" | grep -v pragma | sort | uniq

is now clean.

[SVN r85952]
Removed checks for v2
Merge pull request #1 from K-ballo/fix-phoenix-use-v2

Removed checks for v2
update Phoenix preprocess for modularization
fix for bug 9111
Fixes for bug 9113
Merge branch 'fix9113' into develop
Delete test bug000008 - relates to boost/spirit and not phoenix V3.
Merge branch 'fix_bug000008' into develop
Further fixes for 9113
Merge branch 'fix9113' into develop
Apply patch to fix 7181
Merge branch 'fix7181' into develop
test/jamfile Reinstate bug_000008
test/scope/bug_000008.cpp Altered to use Phoenix
test/scope/bug_000008.cpp Modified file now runs with gcc 4.6
Merge branch 'fix_bug000008' into develop
include/boost/phoenix/operator/comparison.hpp Fix for 6268
Test for bug6268
Merge branch 'fix6268' into develop