treewide: Change unnecessary aborts to throws

`throw`s are better because they don't abort evaluation when evaluating the whole set.

Fixes

`error: evaluation aborted with the following error message: 'Unsupported platform: arm64.'` on linux cross from darwin

pkgs/applications/networking/cluster/k3s/builder.nix

@@ -137,25 +137,25 @@ let
     s:
     mutFirstChar lib.toLower (lib.concatMapStrings (mutFirstChar lib.toUpper) (lib.splitString "-" s));
 
-  # finds the images archive for the desired architecture, aborts in case no suitable archive is found
+  # finds the images archive for the desired architecture, throws in case no suitable archive is found
   findImagesArchive =
     arch:
     let
       imagesVersionsNames = builtins.attrNames imagesVersions;
     in
     lib.findFirst (
       n: lib.hasInfix arch n
-    ) (abort "k3s: no airgap images for ${arch} available") imagesVersionsNames;
+    ) (throw "k3s: no airgap images for ${arch} available") imagesVersionsNames;
 
   # a shortcut that provides the images archive for the host platform. Currently only supports
-  # aarch64 (arm64) and x86_64 (amd64), aborts on other architectures.
+  # aarch64 (arm64) and x86_64 (amd64), throws on other architectures.
   airgapImages = fetchurl (
     if stdenv.hostPlatform.isAarch64 then
       imagesVersions.${findImagesArchive "arm64"}
     else if stdenv.hostPlatform.isx86_64 then
       imagesVersions.${findImagesArchive "amd64"}
     else
-      abort "k3s: airgap images cannot be found automatically for architecture ${stdenv.hostPlatform.linuxArch}, consider using an image archive with an explicit architecture."
+      throw "k3s: airgap images cannot be found automatically for architecture ${stdenv.hostPlatform.linuxArch}, consider using an image archive with an explicit architecture."
   );
 
   # so, k3s is a complicated thing to package

pkgs/by-name/de/debase/package.nix

@@ -72,7 +72,7 @@ stdenv.mkDerivation rec {
       else if stdenv.hostPlatform.isAarch64 then
         "arm64"
       else
-        abort "unsupported system: ${stdenv.system}"
+        throw "unsupported system: ${stdenv.system}"
     }"
   ];
 

pkgs/by-name/ni/nim-unwrapped-2_2/package.nix

@@ -45,7 +45,7 @@ let
     else if isx86_64 then
       "amd64"
     else
-      abort "no Nim CPU support known for ${config}";
+      throw "no Nim CPU support known for ${config}";
 
   parseOs =
     platform:
@@ -72,7 +72,7 @@ let
     else if isiOS then
       "iOS"
     else
-      abort "no Nim OS support known for ${config}";
+      throw "no Nim OS support known for ${config}";
 
   parsePlatform = p: {
     cpu = parseCpu p;

pkgs/by-name/vi/virtual-ans/package.nix

@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   startScript = if stdenv.hostPlatform.isx86_32 then "START_LINUX_X86"
     else        if stdenv.hostPlatform.isx86_64 then "START_LINUX_X86_64"
     #else        if stdenv.hostPlatform.isDarwin then "START_MACOS.app" # disabled because I cannot test on Darwin
-    else abort "Unsupported platform: ${stdenv.hostPlatform.linuxArch}.";
+    else throw "Unsupported platform: ${stdenv.hostPlatform.linuxArch}.";
 
   linuxExecutable = if stdenv.hostPlatform.isx86_32 then "pixilang_linux_x86"
     else            if stdenv.hostPlatform.isx86_64 then "pixilang_linux_x86_64"