KVM: Delete extra block of "};" in the KVM API documentation

Delete an extra block of code/documentation that snuck in when KVM's
documentation was converted to ReST format.

Fixes: 106ee47 ("docs: kvm: Convert api.txt to ReST format")
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>

Author: sean-jc

Documentation/virt/kvm/api.rst

@@ -6577,11 +6577,6 @@ Please note that the kernel is allowed to use the kvm_run structure as the
 primary storage for certain register types. Therefore, the kernel may use the
 values in kvm_run even if the corresponding bit in kvm_dirty_regs is not set.
 
-::
-
-  };
-
-
 
 6. Capabilities that can be enabled on vCPUs
 ============================================