build(deps): remove unecessary replace main go.mod (#2675)

This PR was blocked but got merged:
#2638.
It isn't bad to merge it, but we are relying on a fork of go-header for
the apps until celestiaorg/go-header#347 is
merged.
Let's delete it in the main go.mod

Author: julienrbrt

go.mod

@@ -4,8 +4,6 @@ go 1.24.2
 
 retract v0.12.0 // Published by accident
 
-replace github.com/celestiaorg/go-header => github.com/julienrbrt/go-header v0.0.0-20250909151551-cb11b091bf58 // TODO: to remove after https://github.com/celestiaorg/go-header/pull/347
-
 replace github.com/evstack/ev-node/core => ./core
 
 replace github.com/ipfs/go-datastore => github.com/celestiaorg/go-datastore v0.0.0-20250801131506-48a63ae531e4

go.sum

@@ -24,6 +24,8 @@ github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBT
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/celestiaorg/go-datastore v0.0.0-20250801131506-48a63ae531e4 h1:udw77BU45zmvTV7798FhR1wHFmsFpu4GnA5mubtMcR0=
 github.com/celestiaorg/go-datastore v0.0.0-20250801131506-48a63ae531e4/go.mod h1:W+pI1NsUsz3tcsAACMtfC+IZdnQTnC/7VfPoJBQuts0=
+github.com/celestiaorg/go-header v0.7.2 h1:Jw01iBKnodfsILzynDCU3C11xurpoBt5SI9lgyKHJc0=
+github.com/celestiaorg/go-header v0.7.2/go.mod h1:eX9iTSPthVEAlEDLux40ZT/olXPGhpxHd+mEzJeDhd0=
 github.com/celestiaorg/go-libp2p-messenger v0.2.2 h1:osoUfqjss7vWTIZrrDSy953RjQz+ps/vBFE7bychLEc=
 github.com/celestiaorg/go-libp2p-messenger v0.2.2/go.mod h1:oTCRV5TfdO7V/k6nkx7QjQzGrWuJbupv+0o1cgnY2i4=
 github.com/celestiaorg/utils v0.1.0 h1:WsP3O8jF7jKRgLNFmlDCwdThwOFMFxg0MnqhkLFVxPo=
@@ -170,8 +172,6 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/julienrbrt/go-header v0.0.0-20250909151551-cb11b091bf58 h1:FBGLvgA4hfRjjYHUiiya7KkGxcHQWSpdn2dRKUEDa5k=
-github.com/julienrbrt/go-header v0.0.0-20250909151551-cb11b091bf58/go.mod h1:eX9iTSPthVEAlEDLux40ZT/olXPGhpxHd+mEzJeDhd0=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=