remove unneeded checks

Author: scivision

+stdlib/h5create_group.m

@@ -18,7 +18,6 @@
 else
   % avoid confusing creating file ./~/a.h5
   file = stdlib.expanduser(file);
-  assert(~strempty(file), 'h5create_group:filename_error', "filename must be non-empty")
   dcpl = 'H5P_DEFAULT';
   if isfile(file)
     fid = H5F.open(file, 'H5F_ACC_RDWR', dcpl);

+stdlib/ncsave_new.m

@@ -11,8 +11,6 @@ function ncsave_new(file, varname, A, sizeA, ncdims, compressLevel)
   compressLevel (1,1) double {mustBeInteger,mustBeNonnegative} = 0
 end
 
-assert(~strempty(file), "stdlib:ncsave_new:file", "Empty filename")
-
 if isscalar(A)
   nccreate(file, varname, Datatype=class(A), Format='netcdf4')
 elseif isvector(A) || ischar(A) || isstring(A)

+stdlib/subprocess_run.m

@@ -62,7 +62,7 @@
 
 if ~strempty(opt.cwd)
   % https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/ProcessBuilder.html#directory(java.io.File)
-  assert(isfolder(opt.cwd), "directory %s does not exist", opt.cwd)
+  mustBeFolder(opt.cwd)
   proc.directory(java.io.File(opt.cwd));
 end
 %% Gfortran streams