Remove constraints unnecessary since buster

* Build-Depends: Drop versioned constraint on tex-common.
* Build-Depends-Indep: Drop versioned constraint on perl-base and texlive-lang-other.
* latex-cjk-common: Drop versioned constraint on emacsen-common, tex-common and texlive-font-utils in Depends.
* latex-cjk-common: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-common: Drop versioned constraint on cjk-latex in Breaks.
* latex-cjk-chinese: Drop versioned constraint on tex-common in Depends.
* latex-cjk-chinese: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-chinese: Drop versioned constraint on cjk-latex in Breaks.
* latex-cjk-japanese: Drop versioned constraint on tex-common in Depends.
* latex-cjk-japanese: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-japanese: Drop versioned constraint on cjk-latex in Breaks.
* latex-cjk-korean: Drop versioned constraint on tex-common in Depends.
* latex-cjk-korean: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-korean: Drop versioned constraint on cjk-latex in Breaks.
* latex-cjk-thai: Drop versioned constraint on emacsen-common, tex-common and texlive-lang-other in Depends.
* latex-cjk-thai: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-thai: Drop versioned constraint on cjk-latex in Breaks.
* latex-cjk-all: Drop versioned constraint on cjk-latex in Replaces.
* latex-cjk-all: Drop versioned constraint on cjk-latex in Breaks.

Changes-By: deb-scrub-obsolete