Remove FAQ (for now)

Author: N3MI-DG

docs/calibration/faq.md

@@ -59,7 +59,6 @@ nav:
     - Build Guides: []  # Dynamically generated by hooks/nav_generator.py
 
     - Troubleshooting: hardware/troubleshooting.md
-    - FAQ: hardware/faq.md
 
   - Software:
     - Overview: software/index.md
@@ -78,7 +77,6 @@ nav:
 
     - Slicers: software/slicers.md
     - Troubleshooting: software/troubleshooting.md
-    - FAQ: software/faq.md
 
   - Calibration:
     - Overview: calibration/index.md
@@ -87,7 +85,7 @@ nav:
     - G-code Offsets (Manual): calibration/manual_gcode_offsets.md
     - G-code Offsets (Auto): calibration/auto_gcode_offsets.md
     - Tuning: calibration/tuning.md
-    - FAQ: calibration/faq.md
+    - Troubleshooting: calibration/troubleshooting.md
 
   - Contributing: contributing.md
   - Resellers: resellers.md