Remove obliquity mentions.

Author: tsalo

cubids/cubids.py

@@ -345,7 +345,6 @@ def add_nifti_info(self):
                     continue
 
                 # get important info from niftis
-                obliquity = np.any(nb.affines.obliquity(img.affine) > 1e-4)
                 voxel_sizes = img.header.get_zooms()
                 matrix_dims = img.shape
                 # add nifti info to corresponding sidecars​

docs/example.rst

@@ -152,7 +152,7 @@ Adding NIfTI Information to JSON Sidecars
 
 Next, we seek to add more image parameters to our sidecars so that we can better define our Entity Sets.
 Historically, only a subset of parameters in the NIfTI image header have been included in a BIDS sidecar...
-Parameters such as image dimensions, number of volumes, image obliquity, and voxel sizes —
+Parameters such as image dimensions, number of volumes, and voxel sizes —
 all important data that can change how our pipelines will eventually run!
 
 To add them to the sidecar metadata, run:
@@ -317,7 +317,7 @@ This command will produce four tables that describe the dataset's heterogeneity
 By first examining ``v0_summary.tsv`` users are given the opportunity to conduct metadata
 quality assurance (QA).
 The file can help identify instances of incomplete, incorrect, or unusable parameter groups,
-based on acquisition fields such as dimension and voxel sizes, number of volumes, obliquity, and more.
+based on acquisition fields such as dimension and voxel sizes, number of volumes, and more.
 
 .. warning::