remove tasmanian from pyproject.toml

Author: jlnav

pixi.lock

@@ -117,7 +117,6 @@ mumps-mpi = ">=5.8.1,<6"
 dfo-ls = ">=1.3.0,<2"
 petsc = ">=3.24.2,<4"
 petsc4py = ">=3.24.2,<4"
-ninja = ">=1.13.2,<2"        # for building Tasmanian from pypi
 nlopt = ">=2.10.0,<3"
 
 [tool.pixi.feature.docs.dependencies]
@@ -143,9 +142,6 @@ packaging = "*"
 octave = ">=9.4.0,<11"
 pyzmq = ">=26.4.0,<28"
 
-[tool.pixi.feature.extra.target.linux-64.pypi-dependencies]
-tasmanian = ">=8.2, <9"
-
 # Python versions
 [tool.pixi.feature.py310.dependencies]
 python = "3.10.*"