Batch docstring formatting update: 'Examples:' -> 'Examples'

[sadielbartholomew]

Context provided in #168 (comment). Via the command find . -type f | xargs sed -i 's/Examples:/Examples/g', we go from:

$ git grep "Examples" | wc -l
501
$ git grep "Examples:" | wc -l
380

to:

$ git grep "Examples" | wc -l
501
$ git grep "Examples:" | wc -l
0

[codecov]

Codecov Report

Merging #182 (d1a5326) into master (1e1c74a) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #182      +/-   ##
==========================================
+ Coverage   87.39%   87.40%   +0.01%     
==========================================
  Files         122      122              
  Lines       12355    12355              
==========================================
+ Hits        10797    10798       +1     
+ Misses       1558     1557       -1     

Flag	Coverage Δ
unittests	87.40% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cfdm/abstract/implementation.py	100.00% <ø> (ø)
cfdm/bounds.py	89.80% <ø> (ø)
cfdm/cellmeasure.py	84.38% <ø> (ø)
cfdm/cellmethod.py	88.74% <ø> (ø)
cfdm/cfdmimplementation.py	82.74% <ø> (ø)
cfdm/constructs.py	93.60% <ø> (ø)
cfdm/coordinatereference.py	89.93% <ø> (ø)
cfdm/core/abstract/container.py	100.00% <ø> (ø)
cfdm/core/abstract/coordinate.py	92.00% <ø> (ø)
cfdm/core/abstract/parameters.py	84.45% <ø> (ø)
... and 38 more

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[sadielbartholomew]

Most of the CI jobs passed across two runs of the full set, but each time one or two test suite run jobs failed on a lone same test failure, which is clearly unrelated to this PR, though should be investigated relating to the outcome of recent PRs influencing the logic for subsampled coordinates:

======================================================================
FAIL: test_read_subsampled_coordinates (test_read_write.read_writeTest)
Test the reading subsampled coordinates.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cfdm/cfdm/cfdm/test/test_read_write.py", line 875, in test_read_subsampled_coordinates
    self.assertTrue(
AssertionError: False is not true

----------------------------------------------------------------------
Ran 229 tests in 208.518s

FAILED (failures=1, skipped=1)

This is therefore good to merge, and I will look into the above failure separately.

[davidhassell]

Thank you, Sadie!