fix sick68 space key handwiring location (#8962)

* fix space key handwiring location

* fix mechmerlin layout

* Revert changes from mechmerlin layout

Co-Authored-By: Joel Challis <git@zvecr.com>

* Update layouts/community/65_ansi/mechmerlin/keymap.c

* revert

Co-authored-by: Joel Challis <git@zvecr.com>

keyboards/handwired/sick68/sick68.h

@@ -30,7 +30,7 @@
 // readability
 #define XXX KC_NO
 
-/* TADA68 ANSI layout
+/* SICK68 ANSI layout
  * ,----------------------------------------------------------------.
  * | 00 |01| 02| 03| 04| 05| 06| 07| 08| 09| 0a| 0b| 0c| 0d    | 0e |
  * |----------------------------------------------------------------|
@@ -40,7 +40,7 @@
  * |----------------------------------------------------------------|
  * | 30     | 32| 33| 34| 35| 36| 37| 38| 39| 3a| 3b|    3c| 3d| 3e |
  * |----------------------------------------------------------------|
- * | 40 | 41 | 42 |        45             | 49| 4a|  4b| 4c| 4d| 4e |
+ * | 40 | 41 | 42 |          46           | 49| 4a|  4b| 4c| 4d| 4e |
  * `----------------------------------------------------------------'
  */
 // The first section contains all of the arguments
@@ -51,12 +51,12 @@
     k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d, k1e, \
     k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b,      k2d, k2e, \
     k30,      k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, k3e, \
-    k40, k41, k42,           k45,                k49, k4a, k4b, k4c, k4d, k4e  \
+    k40, k41, k42,                k46,           k49, k4a, k4b, k4c, k4d, k4e  \
 ) \
 { \
     {k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d, k0e}, \
     {k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d, k1e}, \
     {k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, XXX, k2d, k2e}, \
     {k30, XXX, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, k3e}, \
-    {k40, k41, k42, XXX, XXX, k45, XXX, XXX, XXX, k49, k4a, k4b, k4c, k4d, k4e}  \
+    {k40, k41, k42, XXX, XXX, XXX, k46, XXX, XXX, k49, k4a, k4b, k4c, k4d, k4e}  \
 }