remove bold code

Remove markdown where test is both bold and code.
This double formatting produces undesirable effects in HTML.

One should make something **bold** or something `code`.
but not both.  The stacking of these two options produces bad
effects when rendered.

2020/ferguson1/README.md

@@ -28,59 +28,59 @@ and non-zero).
 
 ### Variables:
 
-* **`WAIT`**\
+* **WAIT**\
 	    	positive or negative integer that changes how long to wait for
 		a key press prior to moving again. < 0 blocks which allows
 		for complete control over movement at your own pace. Default
 		231; you can move faster by holding down or rapidly pressing an
 		arrow key.
 
-* **`WALLS`**\
+* **WALLS**\
 	        whether the walls are passable or impassable. Default passable,
 		1; 0 makes walls impassable where you die if you hit a wall.
 
-* **`EVADE`**\
+* **EVADE**\
 	        how many movements the Snake moves before the bug (well
 		insect; see notes below about why bugs) will move to
 		another location in the field. Default 300; 0 disables.
 
-* **`SIZE`**\
+* **SIZE**\
 	        initial size of the Snake. Note that it grows by one per
 		move so at the default 5 it will not initially be 5
 		characters long! < 0 is likely an immediate win.
 
-* **`MAXSIZE`**\
+* **MAXSIZE**\
 	        the maximum size the Snake can become before the game is
 		won. < 0 is the maximum size based on terminal dimensions;
 		any other size will be capped based on the terminal
-		dimensions to prevent problems. Note that when **`SIZE+GROW >=
-		MAXSIZE`** you win _before_ you grow to the full size!
+		dimensions to prevent problems. Note that when **SIZE+GROW >=
+		MAXSIZE** you win _before_ you grow to the full size!
 
-* **`GROW`**\
+* **GROW**\
 	        size to grow every time you eat a bug. Default 5; negative
 		values are allowed. 'Negativity' creates for fun gameplay modes with
 		enough creativity. See [gameplay.html](gameplay.html)
 		GitHub) as well as [play.sh](play.sh) for some examples.
 
-* **`SHED`**\
-	        every **`SHED`** movements you will grow (> 0), shrink (< 0) or
-		stay the same length (0) by the **`SHEDS`** (below) value. Again
+* **SHED**\
+	        every **SHED** movements you will grow (> 0), shrink (< 0) or
+		stay the same length (0) by the **SHEDS** (below) value. Again
 		with creativity you can create some fun gameplay modes.  NOTE:
 		the concept of shedding in this game is a misnomer; see notes
 		below.
 
-* **`SHEDS`**\
-	        every **`SHED`** movements will impact what this value means: grow
+* **SHEDS**\
+	        every **SHED** movements will impact what this value means: grow
 		(> 0), shrink (< 0) or not at all (0). Exception: if the snake
 		eats a bug the counter isn't incremented. Again with creativity
 		you can create some fun gameplay modes here. For instance you
-		can grow upon eating a bug but shrink every **`SHED`** movements
-		and then it's a battle of whether you win by **`SIZE < 0`** or
-		**`SIZE >= MAXSIZE`**. See [play.sh](play.sh) for examples.
+		can grow upon eating a bug but shrink every **SHED** movements
+		and then it's a battle of whether you win by **SIZE < 0** or
+		**SIZE >= MAXSIZE**. See [play.sh](play.sh) for examples.
 		NOTE: the concept of shedding in this game is a misnomer; see
 		notes below.
 
-* **`CANNIBAL`**\
+* **CANNIBAL**\
 	        whether you can go through the Snake or not. Default is 0
 		(cannot - die if you try).
 
@@ -158,17 +158,17 @@ file modify the behaviour of Snake.
 
 Here are some other features of the game:
 
-*   A drawing/practising mode (**`WAIT`** < 0 makes `timeout()` block).
+*   A drawing/practising mode (**WAIT** < 0 makes `timeout()` block).
 
 *   Computer plays the game (**WAIT=0**).\
 	- **EPILEPSY/STIMULATION OVERLOAD WARNING** included in the relevant
-	section (this goes for a low **`EVADE`** value too).
+	section (this goes for a low **EVADE** value too).
 
 *   Grow-Shrink mode (Positive and Negative Winning) mode (see
     [gameplay.html](gameplay.html) for more details).
 
 *   The dimensions of the game (this is actually a terminal thing but I document
-    how to do this and its potential pitfalls) (**`LINES`** , **`COLUMNS`**).
+    how to do this and its potential pitfalls) (**LINES** , **COLUMNS**).
 
 There are no complicated command line invocations; it's just a matter of passing
 into the game descriptively named variables and I include a script that sets up
@@ -432,7 +432,7 @@ a pun and every pun deserves to be shed).
 They grow through a process called moulting - shedding their skin (other
 creatures also moult). This takes place over some days and unlike humans snakes
 never stop growing (though growth slows down as they mature). I chose the
-variables **`SHED`** and **`SHEDS`** for simplicity and because the words are
+variables **SHED** and **SHEDS** for simplicity and because the words are
 shorter. I don't like the words because it's rather a misnomer but what I had
 chosen before was longer - STRETCH and STRETCHES.