FF.CFG: Get rid of single quotes around example config values

Single quotes are not accepted by the parser, so the extra punctuation
is unnecessary and confusing verbiage.

Refs #865

examples/FF.CFG

@@ -13,11 +13,11 @@
 # jc: Specified by jumper JC (open: shugart, closed: ibmpc)
 # shugart: P2=DSKCHG, P34=RDY (Amiga, Atari ST, many others)
 # ibmpc: P2=unused, P34=DSKCHG (IBM PC interface)
-# ibmpc-hdout: P2=HD_OUT, P34=DSKCHG (not generally needed: prefer 'ibmpc')
+# ibmpc-hdout: P2=HD_OUT, P34=DSKCHG (not generally needed: prefer ibmpc)
 # jppc: P2=unused, P34=RDY (Japanese PC standard)
-# jppc-hdout: P2=HD_OUT, P34=RDY (Japanese PC alternate: prefer 'jppc')
+# jppc-hdout: P2=HD_OUT, P34=RDY (Japanese PC alternate: prefer jppc)
-# akai-s950: Legacy alias of 'jppc-hdout', previously used for Akai S950
+# akai-s950: Legacy alias of jppc-hdout, previously used for Akai S950
-# amiga: P2=DSKCHG, P34=DRIVE_ID (not generally needed: prefer 'shugart')
+# amiga: P2=DSKCHG, P34=DRIVE_ID (not generally needed: prefer shugart)
 interface = jc
 
 # Host platform: Improves image-format detection for generic types such as IMG
@@ -172,9 +172,9 @@ twobutton-action = zero
 # Input sensor type at the rotary-encoder inputs (pins PC10 and PC11):
 #  [full | half | quarter]:
 #    Rotary encoder, identified by fraction of a Gray-code cycle performed
-#    per detent/click. If default value ('full') requires multiple
+#    per detent/click. If default value (full) requires multiple
-#    clicks/detents to move position then change to 'half' (if 2 clicks
+#    clicks/detents to move position then change to half (if 2 clicks
-#    per move) or 'quarter' (if 4 clicks).
+#    per move) or quarter (if 4 clicks).
 #  [trackball]:
 #    Blackberry-style trackball (eg. using Hall-effect sensors).
 #  [buttons]:
@@ -220,15 +220,15 @@ oled-font = 6x13
 oled-contrast = 143
 
 # Text height and arrangement on LCD/OLED and on OSD, respectively.
-# 'default', or a comma-separated list (one entry per LCD/OLED row, top down).
+# Comma-separated list, one entry per display row, top down.
-# Each list item is a digit plus optional height specifier: <content-row>[d]
+# Each list item is a digit plus optional height specifier: [0-7][d]
-#  content-row: '0-3' = specified content row, '7' = blank
+#  content-row: 0-3 = specified content, 7 = blank
 #    0: Current image name
 #    1: Status
 #    2: Image/Volume info
 #    3: Current subfolder name
-#  height specifier: 'd' = double height (32px, OLED only; ignored for LCD)
+#  height-specifier: d = double height (32px, OLED only; ignored for LCD)
-# 'default' depends on display, eg.: oled-128x32='0,1' ; oled-128x64='3,0d,1'
+# Default depends on display, eg.: oled-128x32 -> 0,1 ; oled-128x64 -> 3,0d,1
 # Values: [0-7][d] | default
 display-order = default
 osd-display-order = default