Exclude comments from specific docs

doc/update/6.5-to-6.6.md

+---
+comments: false
+---
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 # From 6.5 to 6.6
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.5-to-6.6.md) for the most up to date instructions.*

doc/update/6.6-to-6.7.md

+---
+comments: false
+---
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 # From 6.6 to 6.7
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.6-to-6.7.md) for the most up to date instructions.*

doc/update/6.7-to-6.8.md

+---
+comments: false
+---
+
 # From 6.7 to 6.8
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.7-to-6.8.md) for the most up to date instructions.*

doc/update/6.8-to-6.9.md

+---
+comments: false
+---
+
 # From 6.8 to 6.9
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.8-to-6.9.md) for the most up to date instructions.*

doc/update/6.9-to-7.0.md

+---
+comments: false
+---
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 # From 6.9 to 7.0
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.9-to-7.0.md) for the most up to date instructions.*

doc/update/6.x-or-7.x-to-7.14.md

+---
+comments: false
+---
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 # From 6.x or 7.x to 7.14
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/6.x-or-7.x-to-7.14.md) for the most up to date instructions.*

doc/update/7.0-to-7.1.md

+---
+comments: false
+---
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 # From 7.0 to 7.1
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/7.0-to-7.1.md) for the most up to date instructions.*

doc/update/7.1-to-7.2.md

+---
+comments: false
+---
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 # From 7.1 to 7.2
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/7.1-to-7.2.md) for the most up to date instructions.*

doc/update/7.10-to-7.11.md

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+comments: false
+---
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 # From 7.10 to 7.11
 ### 0. Stop server

doc/update/7.11-to-7.12.md

+---
+comments: false
+---
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 # From 7.11 to 7.12
 ### 0. Double-check your Git version

doc/update/7.12-to-7.13.md

+---
+comments: false
+---
+
 # From 7.12 to 7.13
 ### 0. Double-check your Git version

doc/update/7.13-to-7.14.md

+---
+comments: false
+---
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 # From 7.13 to 7.14
 ### 0. Double-check your Git version

doc/update/7.14-to-8.0.md

+---
+comments: false
+---
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 # From 7.14 to 8.0
 ### 0. Double-check your Git version

doc/update/7.2-to-7.3.md

+---
+comments: false
+---
+
 # From 7.2 to 7.3
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/7.2-to-7.3.md) for the most up to date instructions.*

doc/update/7.3-to-7.4.md

+---
+comments: false
+---
+
 # From 7.3 to 7.4
 *Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/7.3-to-7.4.md) for the most up to date instructions.*

doc/update/7.4-to-7.5.md

+---
+comments: false
+---
+
 # From 7.4 to 7.5
 ### 0. Stop server

doc/update/7.5-to-7.6.md

+---
+comments: false
+---
+
 # From 7.5 to 7.6
 ### 0. Stop server

doc/update/7.6-to-7.7.md

+---
+comments: false
+---
+
 # From 7.6 to 7.7
 ### 0. Stop server

doc/update/7.7-to-7.8.md

+---
+comments: false
+---
+
 # From 7.7 to 7.8
 ### 0. Stop server

doc/update/7.8-to-7.9.md

+---
+comments: false
+---
+
 # From 7.8 to 7.9
 ### 0. Stop server