chore: update guides pages titles

remove prefix "User's Guide"

Author: leotm

src/content/docs/guide/allow-scripts.md

@@ -1,5 +1,5 @@
 ---
-title: "User's Guide: allow-scripts"
+title: "allow-scripts"
 description: 'A user guide for @lavamoat/allow-scripts'
 ---
 

src/content/docs/guide/lavamoat-node.md

@@ -1,5 +1,5 @@
 ---
-title: "User's Guide: lavamoat node runtime"
+title: "lavamoat node runtime"
 description: 'A user guide for running LavaMoat-protected NodeJS applications'
 ---
 

src/content/docs/guide/webpack.md

@@ -1,5 +1,5 @@
 ---
-title: "User's Guide: lavamoat and webpack"
+title: "lavamoat and webpack"
 description: 'A user guide for adding LavaMoat protections to a webpack bundle'
 ---