fix: untag 81's language ROMs from territories

EightyOne lists the Spanish and French Spectrum ROMs in a per-model
drop-down (Source/HW_.cpp) and the user picks one: the code never
selects them by territory, so --region france dropped the five Spanish
ROMs and --region spain the French one.

emulators/81.yml

@@ -424,7 +424,6 @@ files:
     source_ref: "Source/zx81config.cpp:261-263, Source/HW_.cpp:2800-2807"
   - name: spectrum48.spanish.rom
     system: sinclair-zx-spectrum
-    region: [spain]
     required: false
     mode: standalone
     size: 16384
@@ -468,7 +467,6 @@ files:
     source_ref: "Source/zx81config.cpp:264, Source/HW_.cpp:2817-2821"
   - name: spectrum128.spanish.rom
     system: sinclair-zx-spectrum
-    region: [spain]
     required: false
     mode: standalone
     size: 32768
@@ -484,7 +482,6 @@ files:
     source_ref: "Source/zx81config.cpp:266, Source/HW_.cpp:2824-2829"
   - name: spectrum+2.french.rom
     system: sinclair-zx-spectrum
-    region: [france]
     required: false
     mode: standalone
     size: 32768
@@ -492,7 +489,6 @@ files:
     source_ref: "Source/HW_.cpp:2826"
   - name: spectrum+2.spanish.rom
     system: sinclair-zx-spectrum
-    region: [spain]
     required: false
     mode: standalone
     size: 32768
@@ -508,7 +504,6 @@ files:
     source_ref: "Source/HW_.cpp:2833, Source/HW_.cpp:2854"
   - name: spectrum+3.version4-0.spanish.rom
     system: sinclair-zx-spectrum
-    region: [spain]
     required: false
     mode: standalone
     size: 65536
@@ -524,7 +519,6 @@ files:
     source_ref: "Source/zx81config.cpp:267-268, Source/HW_.cpp:2834, Source/HW_.cpp:2855"
   - name: spectrum+3.version4-1.spanish.rom
     system: sinclair-zx-spectrum
-    region: [spain]
     required: false
     mode: standalone
     size: 65536