Remove now uneeded extra ${PORTSDIR}/ in dependencies

[bapt]

Summary

Remove now uneeded extra ${PORTSDIR}/ in dependencies the recent changes in
dependency handling makes it possible to not add this extra MACRO

I have done minimal testing with portupgrade/portinstall

The only known failure is make_index I'm working on it

[bapt]

make_index now happy

[bapt]

Fix a typo

[mat]

I'm all for that, but won't it break portmaster or portupgrade ?

[bapt]

In D3866#80057, @mat wrote:

I'm all for that, but won't it break portmaster or portupgrade ?

As said in the summary I have tested both of them (installing stuff only) and it worked

[antoine]

Mk/Uses/blaslapack.mk

27 ↗

(On Diff #9304)

This line looks wrong

Mk/Uses/pear.mk

79 ↗

(On Diff #9304)

This looks wrong

142 ↗

(On Diff #9304)

this looks wrong

Mk/Uses/python.mk

385 ↗

(On Diff #9304)

this looks wrong

[bapt]

Address Antoine's comments

[antoine]

Mk/Uses/gnustep.mk

45 ↗

(On Diff #9347)

This one too, but it's commented out
I will start exp run

[antoine]

there is a problem during make index due to the change in Uses/python.mk

make[6]: chdir lang/python34: No such file or directory
make[5]: "/usr/ports/Mk/Uses/python.mk" line 385: warning: "make -V PORTVERSION -C lang/python34" returned non-zero status
make[6]: chdir lang/python27: No such file or directory
make[5]: "/usr/ports/Mk/Uses/python.mk" line 385: warning: "make -V PORTVERSION -C lang/python27" returned non-zero status
make[6]: chdir lang/python27: No such file or directory
make[5]: "/usr/ports/Mk/Uses/python.mk" line 385: warning: "make -V PORTVERSION -C lang/python27" returned non-zero status
make[6]: chdir lang/python34: No such file or directory
make[5]: "/usr/ports/Mk/Uses/python.mk" line 385: warning: "make -V PORTVERSION -C lang/python34" returned non-zero status

[bapt]

Readd a ${PORTSDIR} to please make index with python